北极熊 polar-bear 09
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介绍北极熊的英语作文六年级(中英文版)Title: An Introduction to Polar BearsThe captivating Arctic region is home to one of the most majestic creatures on Earth - the polar bear.With their thick white fur and powerful build, these colossal creatures have long fascinated people around the world.In this essay, let"s delve into the intriguing world of the polar bear.标题:北极熊介绍北极,这片神秘莫测的土地,孕育了地球上最壮观的生物之一——北极熊。
它们身披浓密的白色毛发,拥有强健的体格,这些巨大的生物一直以来都让全世界的人们为之着迷。
下面,让我们一起来探索北极熊的迷人世界。
Polar bears are the largest land predators on our planet, with adult males weighing up to 680 kilograms.They primarily inhabit the sea ice of the Arctic, where they hunt their favorite prey, seals.Despite their massive size, polar bears are excellent swimmers and can travel long distances in search of food.北极熊是地球上最大的陆地捕食者,成年雄性北极熊的体重可达到680公斤。
它们主要生活在北极的海冰上,以海豹为主要的猎物。
北极熊---你还好吗目前,北极熊已被列为《濒危物种法》保护对象,它们依靠冰面为平台猎捕海豹,而现在,全球气候变化导致北极冰面融化,已严重危及北极熊的生存区域。
北极熊是世界上最大的陆地食肉动物,又称白熊。
按动物学分类属哺乳纲,熊科。
北极熊是在北极里生长的熊,它是陆上最庞大的肉食动物。
在它生存的空间里,它是食物链最顶层。
它拥有极厚的脂肪及毛发来保暖,其白色的外表在雪白的雪地上是良好的保护色,而且它可以在陆上及海上捕捉食物,因此它能在北极这种极严酷的气候里生存。
雄性北极熊身长大约240-260cm,体重一般为400-800公斤。
而雌性北极熊体形约比雄性小一半左右,身长约190-210cm,体重约200-300公斤。
到了冬季睡眠时刻到来之前,由于脂肪将大量积累,它们的体重可达800公斤。
北极熊是世界最大的动物之一。
它平时行动缓慢,但是跑起来比人快的多,据说可以到60KM/H。
它还是游泳好手和潜水能手呢。
分布北极熊分布在亚欧大陆和北美大陆的沿海地区、北冰洋中的大部分岛屿和格陵兰等地。
研究发现,虽然在北极一年四季都会有北极熊出没,但北极熊的活动范围从未超出北极沿岸地带。
为什么北极会变成为北极熊的乐园呢?众所周知,北极没有陆地,有的只是无边无际的海洋和冰盖。
冰盖不仅是北极熊赖以栖身的家园,也是它们捕猎食物所必需的条件。
经过长期的适应,北极熊的形体结构非常适合北极地区的环境条件,如此:北极熊的毛结构极其复杂,里面中空,起着极好的保温隔热作用,因此,它在浮冰上可以轻松自如地行走,完全不必担心北极的严寒;北极熊的提醒呈流线型,善游泳,熊掌宽大犹如双浆,因此在北冰洋那冰冷的海水里,它可以用两条前腿奋力前划,后腿并在一起,掌握着前进的方向,起着陀的作用,一口气可以畅游四五十公里;北极熊爪如铁钩,熊牙锋利无比,它的前掌一扑,便可以将海豹的头颅打得粉碎,这是它捕食的绝招。
生存环境北极熊生活在北极。
它们把家安在北冰洋周围的浮冰和岛屿上,还有相邻大陆的海岸线附近,基本呈环极分布。
polar bear英文介绍Polar Bear: The King of the ArcticPolar bears, also known as white bears, are magnificent creatures native to the Arctic region. With their thick fur coats, they are perfectly adapted to survive in one of the harshest environments on Earth. These gentle giants are the largest species of bear and are considered the undisputed kings of the Arctic.Polar bears are renowned for their stunning white fur, which helps them blend in with the snowy surroundings. But beneath their fluffy exterior, they possess a layer of fat that acts as insulation, keeping them warm in the freezing temperatures. Their fur and thick layer of blubber provide superb protection against the cold, making them perfectly adapted to the Arctic climate.These incredible animals are excellent swimmers and have been known to swim for long distances. They also use their strong forelimbs to paddle through the icy waters. Their large, webbed paws act as natural paddles, helping them move swiftly through the Arctic seas. With their excellent swimming skills, polar bears can catch their main prey, seals, when they surface from holes in the ice.Polar bears are highly skilled hunters and have the ability to remain patient and silent for hours, waiting for the perfect opportunity to catch their prey. They mainly rely on their sense of smell to locate seals, which are their primary food source. When hunting, polar bears use holes in the ice to catch their unsuspecting prey. They are extremely adaptable and can also feed on other marine mammals, such as walruses and whales.These majestic creatures are currently facing numerous challenges, including climate change and habitat loss. The melting of sea ice due to global warming has a significant impact on their survival. Polar bears rely on sea ice to hunt, travel, and mate. With the melting ice, their hunting grounds are shrinking, making it more difficult for them to find enough food.Conservation efforts are crucial for the survival of these incredible animals. International organizations are working towards reducing greenhouse gas emissions and protecting their habitats. Additionally, measures have been put in place to minimize human-bear conflicts to ensure the safetyof both polar bears and local communities.In conclusion, polar bears are iconic and unique inhabitants of the Arctic. Their extraordinary adaptations, beautiful appearance, and importance in the ecosystem make them truly remarkable. It is our responsibility to protect and preserve their fragile habitat to ensure a future where these magnificent creatures can continue to roam the icy landscapes as the kings of the Arctic.。
介绍北极熊英文书The Arctic is home to many unique and interesting animals, but perhaps one of the most iconic is the polar bear. 北极是许多独特而有趣的动物的家园,但也许最具标志性的是北极熊。
These majestic creatures are the largest land carnivores in the world and are perfectly adapted to life in the extreme cold of the Arctic. 这些雄伟的生物是世界上最大的陆地食肉动物,完全适应了北极极端寒冷的生活环境。
Polar bears have a thick layer of blubber to keep them warm in the freezing temperatures of the Arctic. 北极熊有一层厚厚的脂肪层,可以在北极寒冷的温度中保持身体温暖。
This insulation is essential for their survival in such harsh conditions, as it helps them maintain theirbody temperature and conserve energy. 这种隔热层对它们在如此严酷的环境中生存至关重要,因为它帮助它们保持体温并节约能量。
Polar bears are excellent swimmers and are known to travel long distances in search of food. 北极熊是出色的游泳者,以寻找食物而闻名。
They have been observed swimming for hundreds of miles without rest, using their powerful front paws to propel themselves throughthe icy waters. 他们被观察到在不休息的情况下游泳数百英里,使用他们强壮的前爪推动自己穿过冰冷的水域。
目录北极熊(polar bear)的基本介绍 (1)聪明的北极熊 (1)北极熊的繁衍和生长 (2)北极熊的存在意义 (3)孤独的北极生命 (4)北极熊的故事 (4)北极熊(polar bear)的基本介绍北极熊(polar bear)也叫白熊,是熊类中个体最大的一种,其身躯庞大,体长可达2.5米以上,行走时肩高1.6米,体重可达半吨,最大的北极熊体重可达900公斤。
它具有粗壮而又灵便的四肢,尤其是它的前掌,力量巨大,一掌可使人致命。
用前掌击倒或打死猎物,是它的惯用手段。
掌上长有十分锐利的熊爪子,能紧紧抓住食物。
北极熊还具有异常灵敏的嗅觉,可以嗅到在3.2公图表 1里以外烧烤海豹脂肪发出的气味,能在几公里以外凭嗅觉准确判断猎物的位置。
在“闻出”气味熟悉的猎物的方位后,便能以相当快的速度从冰上跳跃奔去捕猎,一步跳跃奔跑的距离可达5米以上。
北极熊全身披着厚厚的白毛,甚至耳朵和脚掌亦是如此,仅鼻头有一点黑。
而且其毛的结构极其复杂,里面中空,起着极好的保温隔热作用。
因此,北极熊在浮冰上可以轻松自如地行走,完全不必担心北极的严寒。
北极熊的体形呈流线型,善游泳,熊掌宽大犹如双浆,因此在北冰洋那冰冷的海水里,它可以用两条前腿奋力前划,后腿并在一起,掌握着前进的方向,起着舵的作用,一口气可以畅游四五十公里,也算得上游泳健将了。
其熊瓜宛如铁钩,熊牙锋利无比,它的前掌一扑,可以使人的头颅粉碎,身首分家,可谓力大无穷。
它奔跑起来,风驰电掣,时速可达60公里,但并不能持续太久,只进行短距离冲刺,所以在宽阔的陆地上,假若人和熊进行长跑比赛的话,北极熊必败无疑。
北极熊经常栖息在冰盖上,过着水陆两栖生活,通常以海豹、鱼类、鸟类和其它小哺乳动物为食,若能幸运碰到鲸鱼的尸体,则可美美地饱餐一顿。
漫长寒冷的冬天,北极熊一般在巢穴里度过。
直到来年春季二三月才出来活动,3月~5月北极熊活动最频繁。
温暖的夏天,北极熊出穴四处寻找猎物。