例句：
A: I have a bad cough. B: You must see a doctor. A: Yes, I must go to the hospital.
/ɑ:/
例词：
car garden star guitar
短语：
stars and bars星条旗 half mast降半旗 heart transplant心脏移植 fast car
例句：
A: I see two children on the blackboard.
B: He is short.
A: She is shorter.
/ɒ/- /ɔ/
例词：
cock公鸡 shop job hospital
短语：
hot coffee long job on the box drop the pot把锅放下
例句：
A: look at the clock！
B: what’s the time?
A: It’s a quarter to seven
/ʌ/
例词：
cup run jump flood
短语：
hurry up! trust us! rubbish dump垃圾堆 mustn’t worry
例句：
A: It’s sunny today. B: Yes, isn’t it. A: My uncle will go to London next
例句：
A: Look at my toy gun.
B: Oh, what a good toy!
A: Shall we join our friends in the garden? B: Yes, let’s go.
