四年级上册每日英语

四年级英语上册单词表（广州版）Unit 1: Numbers and Colors（数字和颜色）•one（一）•two（二）•three（三）•four（四）•five（五）•six（六）•seven（七）•eight（八）•nine（九）•ten（十）Unit 2: My Family（我的家人）•father（父亲）•mother（母亲）•brother（兄弟）•sister（姐妹）•grandfather（爷爷）•grandmother（奶奶）•uncle（叔叔）•aunt（阿姨）•cousin（表兄弟姐妹）Unit 3: My Day（我的一天）•wake up（醒来）•brush my teeth（刷牙）•wash my face（洗脸）•have breakfast（吃早餐）•go to school（去学校）•have lunch（吃午餐）•do homework（做作业）•have dinner（吃晚餐）•go to bed（上床睡觉）Unit 4: Parts of the Body（身体部位）•head（头）•hair（头发）•eyes（眼睛）•ears（耳朵）•nose（鼻子）•mouth（嘴巴）•arms（手臂）•hands（手）•legs（腿）•feet（脚）Unit 5: Animals（动物）•cat（猫）•dog（狗）•lion（狮子）•tiger（老虎）•elephant（大象）•giraffe（长颈鹿）•monkey（猴子）•panda（熊猫）•rabbit（兔子）•kangaroo（袋鼠）Unit 6: Fruits（水果）•apple（苹果）•banana（香蕉）•orange（橙子）•strawberry（草莓）•watermelon（西瓜）•pineapple（菠萝）•mango（芒果）•grape（葡萄）•lemon（柠檬）•cherry（樱桃）Unit 7: Vegetables（蔬菜）•carrot（胡萝卜）•tomato（番茄）•cucumber（黄瓜）•broccoli（西兰花）•cabbage（卷心菜）•onion（洋葱）•garlic（大蒜）•pumpkin（南瓜）•mushroom（蘑菇）Unit 8: School Supplies（学习用品）•pen（钢笔）•pencil（铅笔）•eraser（橡皮擦）•ruler（尺子）•book（书）•notebook（笔记本）•pencil case（铅笔盒）•backpack（背包）•glue（胶水）•scissors（剪刀）Unit 9: Toys（玩具）•ball（球）•doll（洋娃娃）•teddy bear（泰迪熊）•yo-yo（溜溜球）•kite（风筝）•car（小车）•train（火车）•robot（机器人）•bicycle（自行车）Unit 10: Weather（天气）•sunny（晴天）•rainy（雨天）•cloudy（多云）•windy（有风）•snowy（下雪）•hot（热的）•cold（冷的）•warm（暖和的）•cool（凉爽的）•dry（干燥的）以上是四年级英语上册的单词表（广州版）。

小学四年级英语每日朗读故事Story 1 Three Good FriendsOne day, a monkey rides his bike near the river. This time he sees a lion under a tree. The lion runs at him. He is afraid and falls into the river. He can’t swim. He shouts. The rabbit hears him. He jumps into t he river. The rabbit swims to the monkey, but he can’t help him. Luckily, an elephant comes along. He is very strong. He helps the rabbit and monkey. Three friends are very happy. They go to the elephant’s home. Then, three of them become good friends.故事一三个好朋友一天,一只猴子在河边骑车;这时他看见树下有一只狮子,狮子向他跑来;他非常的害怕,掉进河里;他不会游泳,大叫起来;兔子听见了,跳进水里,但他却没有办法救猴子;幸运的是,一只大象过来了;大象非常强壮,救出了兔子和猴子;他们来到大象的家,在那里吃了一顿大餐;从此他们成了好朋友;Story 2 The Old Man and the Old CatAn old man has a cat. The cat is very old, too. He runs very quickly. And his teeth are bad. One evening, the old cat sees a little mouse. He catches it, but he can’t eat it because his teeth are not strong enough. The mouse runs away. The old man is very angry. He beats his cat. He says: “You are a fool cat. I will punish you” t he cat is very sad. He thinks：“When I was young, I worked hard for you. Now you don’t like me because I’m too old to work. You should know you are old, too.”故事二一个年迈的老人养一只猫;这只猫也非常老了;她跑得很快,但是牙齿很糟糕;一天王还是那个,这只老猫看见一只小老鼠;它抓住了小老鼠,但是它却吃不了它,因为它的牙齿不够锋利了;这只小老鼠逃跑了; 老人很生气,他打了小猫,并且对它说：“你这只蠢猫我要惩罚你”猫非常伤心,它想：“在我还年轻的时候,我为你努力工作;现在你却因为我太老了不能工作而不喜欢我;你应该知道你也老了;”Story 3 Spring in the Green SeasonSpring is coming. Spring is the first season of the year. In China, spring comes in February. It is still cold, but it is getting warmer and warmer. The days get longer and longer. The leaves on the trees begin to turn green. Then they come up green leaves in the spring wind on the ground. Spring is also sowing time season.故事三春天来了,春天是每年的第一个季节;在中国,春天二月来临,那时候还是很冷,但是会运来月暖和,白昼悦来越长;树上的叶子开始变绿,沐浴着大地春风长出了嫩芽;春天也播种的季节;Story 4 Look for a FriendSam is a little fish. He lives in the sea. He is very lonely. He wants to have a friend. The friend looks like him. Sam sees an ink fish. The ink fish has eight legs. He doesn’t look like Sam. So Sam goes away. Sam meets a shark. He wants to say hello to the shark. The shark opens his big mouth. Sam runs away quickly. Sam is tired and hungry. He wants to have a rest. Then he sees a round fish. She says to him. “Hello Would you like to be my friend ”Sam answers: “Of course But you are round. I am flat.” The round fish days: “But we are both fishes.” Sam thinks and says, “You are right. Let’s be friends.” They become good friends.故事四：找朋友塞姆是一条小鱼,他在海里;他生在海里;他很孤独,想要找一个朋友,那个朋友看起来要想他; 塞姆看见一条墨鱼;墨鱼有8条腿,看上去不像塞姆;因此塞姆游走了;塞姆遇见一条鲨鱼;他想跟鲨鱼问好;鲨鱼张开大嘴,塞姆有迅速地逃走了; 塞姆又累又饿,他要休息一会儿;这时他看见一条圆鱼,圆鱼对他说：“你好你愿意做我的朋友吗” 塞姆回答：“好哇可你是圆形的,我是扁的;”圆鱼说：“但是我们俩都是鱼啊” 塞姆思考后说：“你讲得对,让我们做朋友吧;”他们就成为好朋友了;Story 5 The Hippo and IA hippo lives in the zoo. I like him very much. I often go to see him. He often thinks of me, too. Today is Sunday. It is fine day. I go to see him again. After I leave the zoo, he follows me to my house. I give him lettuce, cabbages, bananas, apples and other food. He eats them up. When I sing songs, he stays in the pool. He is as quite as a rabbit. In the evening, he jumps onto my bed with me. My mum tells him to go home. He has to pack his bag and go back to the zoo. My mum lets me see him every week.故事5 我与河马河马住在动物园里,我很喜欢他;他经常去看它,他也经常想我; 今天是星期日,是个好天气,我又一次去看望它;在我离开动物园之后,他跟随到我的家;我给他莴苣、生菜、香蕉、苹果和其他食物;他都吃了; 当我唱歌是,它待在水池里,像兔子一样安静; 晚上,他跳到床上同我睡觉在一起睡; 妈妈要它回家;它不得不背起包回到动物园;妈妈允许我每周去看它;Story 7 naughty MonkeyIt’s very hot.. An old man is asleep on the chair. A fly comes and sits on the end of the man’s nose. The old man has a naughty monkey. He chases the fly. The fly comes back again and sits on the old man’s nose again. The monkey chases it away again and again. This happens five or six times. The monkey is very angry. He jumps up, runs to the garden and picks up a large stone. When the fly sits on the old man’s nose again, the monkey hits it hard with the stone. He kills the fly and breaks the old man’s nose.故事7 调皮的猴子天气很热;一位老人在椅子上睡着了; 一只苍蝇飞来落在老人的鼻子上; 老人有一只顽皮的猴子;猴子在追打苍蝇; 苍蝇再次飞落在老人的鼻子上,猴子一再追打苍蝇; 这样往返了五六次,猴子很生气; 他跳着跑到花园,捡起一块大石头; 当苍蝇再次落在老人的鼻子上时,猴子用石头击中老人的鼻子上的苍蝇; 他砸死了苍蝇也打破了老人的鼻子;Story8 What Animals are the seaThere are all kinds of animals in the sea. Look They are coming. This is an octopus. The octopus is spraying ink. This is a shark. The shark has sharp teeth. This is a whale. The whale shoots water into the air. This is a sea turtle. The sea turtle has a hard shell. These are starfishes. The starfishes have five legs. These are angelfishes. The angelfishes have beautiful colors. This is a lobster. The lobster has strong claws. This is a jellyfish. The jellyfish has a soft body. They are different. But all of them live in the sea.故事8 海里有什么动物在海洋里有各种各样的动物; 看他们过来了; 这时一条章鱼,章鱼在喷墨; 这是一条鲨鱼,鲨鱼有锐利的牙齿; 这是一只鲸鱼,鲸把水喷射到空中; 这时一直海龟,海龟有坚硬的壳; 这些是海星,海星有五条腿; 这些是扁蛟鱼,扁姣鱼有美丽的花纹; 这是一只龙虾,龙虾有强壮的爪子; 这是一个水母,水母有一个柔软的身体; 他们各不相同,但他们都居住在海洋里;Story 9 Naughty Monkey It’s very hot.. An old man is asleep on the chair. A fly comes and sits on the end of the man’s nose. The old man has a naughty monkey. He chases the fly. The fly comes back again and si ts on the old man’s nose again. The monkey chases it away again and again. This happens five or six times. The monkey is very angry. He jumps up, runs to the garden and picks up a large stone. When the fly sits on the old man’s nose again, the monkey hits it hard with the stone. He kills the fly and breaks the old man’s nose.故事9 调皮的猴子天气很热;一位老人在椅子上睡着了; 一只苍蝇飞来落在老人的鼻子上; 老人有一只顽皮的猴子;猴子在追打苍蝇; 苍蝇再次飞落在老人的鼻子上,猴子一再追打苍蝇; 这样往返了五六次,猴子很生气; 他跳着跑到花园,捡起一块大石头; 当苍蝇再次落在老人的鼻子上时,猴子用石头击中老人的鼻子上的苍蝇; 他砸死了苍蝇也打破了老人的鼻子;Story 10 A Beautiful Doll Tina is a lovely girl. She has a lot of dolls. One of these dolls is very beautiful. She has long blond hair and wears a white dress. The little girl likes her very much. She called her “Sandy”. You would forget all the sad things and becom e happy when you see her. Tina tried to teach Sandy to speak, but she failed. When she is free, Tina always made clothed for her. When she is unhappy or met with some difficulties, Tina talked to her, because they are close friends. What a lovely girl she is Do you like it, too故事10 漂亮的洋娃娃缇娜是一个可爱的女孩, 她有许多洋娃娃;其中有个是很没得：她有着金色的长发,穿着一件白色的连衣裙;小女孩非常喜欢它,因此, 小女孩叫她“桑迪”;当你看到它的时候就会高兴,会忘记所有不开心的事; 缇娜试着教桑迪说话,可她失败了; 当缇娜空闲时,她时常会桑迪缝衣服;当她遇到不快乐的事或碰倒困难的时候,缇娜中哦你对它倾述,因为他们是亲密的朋友;多么可爱的一个女孩啊你也喜欢它吗Story 11 It’s Good to Walk A group of penguins at a zoo in Japan take a walk to lose weight. Every day, 15 king penguins there walk 500 meters twice. “Just like human, penguins don’t exercise much during winter. They become fat easily,” says a zookeeper.故事11 散步有益在日本的一个动物园里一群企鹅在散步减肥;哪里的15只金企鹅媒体散步两次,每次500米; 动物园工作人员说：“和人类一样,企鹅冬天不怎么运动,容易发胖;”Story 12 The Panda in China A panda looks like a little bear. It has black and white fur. It lives only in China, so it is called the national treasure of China and protected by the law. We all see panda on TV or in the zoo. They look stupid and walk slowly, but they are lovely and everyone likes them. A panda is lucky animal. We Chinese like it, and people of the world like it, too. Now there are China’s pandas in many other countries, such as Japan and the USA… A panda isn’t a common animal, it is bridge of friendship.故事12 中国熊猫熊猫看起来好像一只小熊;它的皮毛是黑白相间; 它只居住在中国,因此,它是中国的国宝,受到国家法律的保护; 我们在电视上或在动物园里能看到熊猫;他们看起来显得很笨的样子,走起来很缓慢,但很可爱,大家都很喜欢它们; 熊猫是个吉祥的动物;中国人民喜欢它,世界人民也喜欢它;现在许多国家都有中国的熊猫,如,日本、美国…… 熊猫不是一种普通的动物,而是一座友谊的桥梁;Story 13 My “Cock” Clock Hello My name is Dongdong. Do you know I have a nice clock Itis a beautiful clock. It is in my bedroom. In m\fact it is an alarm clock. The big and round body is made of plastics and the clock is set in it. There is a red comb on its head. When you want to adjust time, you just need to press the comb. Then “clock” will wake up on time. At that time the “clock” will say: “WO WO WO” It’s time for you to get up And its eyes can also give out light at the same time. It is a very beautiful and useful clock, so I like it very much.故事13 我的“公鸡”闹钟你好我的名字叫东东;我知道我有一台好看的闹钟;它是一台漂亮的钟;钟的上部有红色的冠子;当你想要调整时间时,按下头上的红冠子就可以调节时间;那时“钟”将按时醒来;到时候“公鸡”就会“喔、喔、喔”地叫,该起床了;而且叫是眼睛还会发光; 它是一只好看又有用的钟,我很喜欢它;Story14 A Clever Farmer Uncle Sam doesn’t like farmer. He thinks they are very foolish and only know work on the farm. One winter morning, the sun is shining. Uncle Sam sits on the stepof his house. At that moment, a farmer with a map in his hand comes to him. Farmer：Excuse me, Uncle. Can you tell me know to get to the hospital, please Uncle Sam: Lie down in the middle of the street and you’ll soon be at a hospital. Farmer Please set an example to me. Uncle Sam: I think you come to our city at the first time. It’s much more beautiful than the field. I s that right Farmer: Yes, uncle. But it is built on the field. Uncle Sam’s face turns red.故事14 聪明的农民山姆大叔不喜欢农民;他认为他们很愚蠢只会在农场干活;一个冬天的早晨,阳光明媚,山姆大叔坐在门前的石阶上;这时,一个农民手拿地图向他走来; 农民：请问,大叔,去医院的路怎么走山姆大叔:你躺在街当中,很快就会在医院的; 农民：请你做一个示范; 山姆大叔：我想你是第一次进城吧,城市比你那块地漂亮多了,是吧农民：是的,大叔,但城市是建在地之上的; 山姆大叔脸红了;Story 15 Where Is the Hat Jack is a little goose. He has a lovely hat. He likes wearing it very much. But when he sits, his hat can’t stay on his head. He puts his hat down and begins to play game with the hat. When he get s tired of the game, things are not the same. He can’t find his hat. Where is it Jack thinks hard. He looks up and down, and walks here and there. He can’t find his hat yet. At this time, his mother comes in. As soon as she sees Jack, she cries, “Oh, my dear Don’tbe foolish. Your hat is on your head.” Jack feels very foolish. He doesn’t want to wear his hat on his head.故事15 帽子在哪里杰克是一只小鹅;它有一顶可爱的帽子,他非常喜欢戴它;当它坐着时,他的帽子总是戴着头上; 它脱下它的帽子并开始用帽子玩游戏;当它玩累时,事情就不是那样了; 它没有找到他的帽子;它在哪里杰克仔细想; 它上下看了看,到处找了找,还是没有找到它的帽子; 这时,它的母亲走进来,当她看到杰克就喊道：“啊亲爱的,你真笨,帽子在你的头上;” 杰克感到自己很愚蠢;它不像戴那顶帽子了;Story 16 Two dogs A man has two dogs: a hound and a housedog. He trains the hound to help him hurt and teaches the housedog to watch the house. When he returns home after a day’s hunt, he always gives the house-dog some meat. The hound feels very angry. He says unhappily to the housedog, “Where I work very hard outside, you share my food.” “Don’t blame me, my friend. You should blame the master. He doesn’t teach me to hurt, but to share other’s food,” the housedog answers. Don’t blame children for the mistakes of their parent故事16 两只狗有一个人养了两条狗：一条是猎犬,一条是看家狗;他训练猎狗帮他打猎,教看家狗守家;当猎人打了一天猎回家后,总要分给看家狗一些肉,猎狗对此很生气;它不高兴地对看家狗说道：“我在外边追捕猎物十分辛苦,而你在家什么都不做,但你却分享我的食物;”看家狗回答道：“不要责怪我,我的朋友;你应该去责备主人;他不教我打猎,却只教我分享别人的食物;” 不要因为父母的错误而去责备孩子;Story 17 The Sports Meeting in the Forest There are many animals in the forest. Today is a fine day. Animals are having a sport meeting. Monkey, Fox, Panda, Rabbit and Bear are running. Look Rabbit is the first. Fox and Monkey are the second. Bear is the third. The other animals are shouting, “Bear Come on Bear Come on” And look there, Duck and Pig are doing high jump. Pig is too fat, he can’t jump very high. So Duck is the champion. Here Cat and Squirrel are climbing a tree. Cat is ill. So he is the last, but he does his best. This sports meeting is wonderful. The animals are very happy故事17 森林运动会森林里有很多动物; 今天天气晴朗,小动物要举行运动会;小猴子,狐狸,兔子和小熊在赛跑;看小兔子得了第一,狐狸和猴子得了第二,小熊得了第三;小动物们都在叫喊：“小熊,加油小熊,加油”看那儿,小鸭和小猪在比赛跳高;小猪太胖了,成绩不太理想,所有小鸭得了冠军;看这里小猫和小松鼠在比赛爬树,小猫生病了,没能拿冠军,但它全力以赴了; 运动会可真棒,小动物们多开心啊Story 18 Big Ben Big Ben is not the name of a man. It is a name of the clock. It is in London. London is the capital city of England. The big clock has four faces. So no matter where you stand, you can read the face of the clock. The hands are about four meter long. If you go to London, you may want to visit the house of the Parliament. In that place you will find Big Ben sits at the top of the clock tower in the House of the Parliament. The big clock makes a very l oud noise. “Ding dong. Ding dong”- the clock strikes every quarter of an hour.故事18 大本钟大本钟不是一个人的名字,它是钟的名字,它在伦敦;伦敦是英国的首都;大本钟有四个面,因此无论站在什么方面,你都能见到钟面;大本钟的指南针大约4米长; 如果你去伦敦,你可能想要参观以后大厦;在那个地方你会找到坐落在英国议会大厦钟楼的大本钟;大本钟的声音很大,“叮咚,叮咚”,每15分钟敲一次;Story 19 The Bathing Boy One day, Tom is bathing in a river. He doesn’t swim well and will be drown. He calls out loud for help. A man is just passing by. He doesn’t help the boy, but stands by and says to him. “How imprudent you are It is dangerous to bath in the river.” “Oh,yes sir,” cries the boy, “ Please help me out and scold me afterward.” Counsel without help is useless.故事19 洗澡的男孩有一天,汤姆在河里洗澡;他不太会游泳;眼看就要被淹死,他大声呼喊救命;有个人正好从旁边经过,他没有帮助小男孩,却是站在旁边对小孩子说道：“ 你怎么这么草率在河里洗澡很危险;”“哦,先生,”小男孩喊叫：请你还是先把我救起来后再责备我吧;” 只有忠告而不给予帮助是无济于事的;。

人教精通版小学四年级上册英语课文及重点大全本文档旨在提供人教精通版小学四年级上册英语课文的全文及重点内容，帮助学生更好地研究和掌握相关知识。

Unit 1: Hello!- 课文：Hello, everyone!- 重点：研究问候，认识新朋友Unit 2: My Family- 课文：This is my family.- 重点：研究表达家庭成员，介绍家人Unit 3: Numbers- 课文：How many pencils?- 重点：研究基础数字，进行物品数量的询问和答复Unit 4: Colors- 课文：I like red.- 重点：研究基础颜色，表达个人喜好Unit 5: My School- 课文：Our Classroom- 重点：研究表达学校和教室，介绍校园环境Unit 6: Toys- 课文：Do you have a toy car?- 重点：研究询问和回答是否拥有某物，表达对玩具的喜爱Unit 7: Food and Drinks- 课文：I like bananas.- 重点：研究食物和饮料的名称，表达个人偏好Unit 8: Fruit Basket- 课文：What fruits do you like?- 重点：研究水果的名称，进行个人喜好的交流以上为人教精通版小学四年级上册英语课文及重点内容的概述，希望能够对学生的研究提供一定的帮助。

Note: This document provides an overview of the textbook titled "人教精通版小学四年级上册英语" and includes the full texts of each unit's lessons and key points. It aims to assist students in learning and mastering the relevant content.。

四年级上册英语书重点单词Unit 1:1. apple - 苹果Example: I like to eat red apples.2. banana - 香蕉Example: My mom packed a banana in my lunchbox.3. cat - 猫Example: The cat is sleeping in the sun.4. dog - 狗Example: I take my dog for a walk every afternoon.5. egg - 鸡蛋Example: We need six eggs to make a cake.6. fish - 鱼Example: My dad caught a big fish in the river.Unit 2:1. bear - 熊Example: The bear was eating honey from a beehive.2. cow - 牛Example: The cows graze on the grass in the field.3. duck - 鸭子Example: The ducklings were swimming in the pond.4. elephant - 大象Example: The elephant has big ears and a long trunk.5. frog - 青蛙Example: The frog is sitting on a lily pad.6. giraffe - 长颈鹿Example: The giraffe has a long neck and spots on its body. Unit 3:1. doll - 洋娃娃Example: My sister has a collection of beautiful dolls.2. jacket - 外套Example: It's cold outside, so I put on my jacket.3. kite - 风筝Example: We flew our colorful kite at the park.4. pencil - 铅笔Example: I use a pencil to write and draw.5. robot - 机器人Example: The robot can do many tasks by itself.6. train - 火车Example: We took a train to visit our grandparents.Unit 4:1. bus - 公共汽车Example: We take the bus to school every morning.2. car - 汽车Example: My dad drives a red car.3. bike - 自行车Example: I ride my bike to the park on weekends.4. taxi - 出租车Example: We hailed a taxi to go to the airport.5. van - 面包车Example: The delivery man uses a van to transport packages.6. truck - 卡车Example: The truck driver delivered a shipment of goods.Unit 5:1. book - 书Example: I love reading books before bedtime.2. chair - 椅子Example: Grandma sat on her favorite rocking chair.3. desk - 书桌Example: I do my homework at my desk.4. lamp - 台灯Example: I turn on the lamp to read in the evening.5. table - 桌子Example: We set the table for dinner.6. bed - 床Example: I sleep in a comfortable bed.Unit 6:1. sun - 太阳Example: The sun sets in the west.2. moon - 月亮Example: The moon shines brightly at night.3. star - 星星Example: I wish upon a star every night.4. rain - 雨Example: The rain pours down from the clouds.5. wind - 风Example: The wind blows through the trees.6. snow - 雪Example: We build a snowman in the winter.Unit 7:1. bird - 鸟Example: The bird chirps in the morning.2. butterfly - 蝴蝶Example: The butterfly flutters among the flowers.3. bee - 蜜蜂Example: The bee collects nectar from the flowers.4. fish - 鱼Example: The fish swims in the aquarium.5. tiger - 老虎Example: The tiger roars in the zoo.6. lion - 狮子Example: The lion is the king of the jungle.Unit 8:1. cake - 蛋糕Example: We celebrate with a birthday cake.2. ice cream - 冰淇淋Example: I enjoy eating ice cream on a hot day.3. cookie - 饼干Example: The cookie crumbles in my mouth.4. fruit - 水果Example: I eat a variety of fruits for a healthy diet.5. milk - 牛奶Example: I drink milk every morning.6. juice - 果汁Example: The juice is refreshing after a workout.Unit 9:1. doctor - 医生Example: The doctor examines patients every day.2. nurse - 护士Example: The nurse takes care of the patients in the hospital.3. teacher - 教师Example: My teacher teaches us many interesting things.4. student - 学生Example: Students study hard to achieve their goals.5. firefighter - 消防员Example: The firefighter saves lives in dangerous situations.6. police officer - 警察Example: The police officer ensures public safety.Unit 10:1. family - 家庭Example: My family means the world to me.2. friend - 朋友Example: I enjoy spending time with my friends.3. mother - 母亲Example: My mother cooks delicious meals for us.4. father - 父亲Example: My father teaches me how to ride a bike.5. sister - 姐妹Example: My sister and I share a room.6. brother - 兄弟Example: My brother plays soccer with me.以上是四年级上册英语书中的部分重点单词及其例句。