Unit 1 I want a hot dog, please.look 看上去 eg: It looks good! 她看上去很好。cashier 收银员 eg: My mother is a cashier. 我妈妈是一名收银员。cola 可乐 eg: I want to drink a cola. 我想喝一杯可乐。dollar 美元 eg: This book is 7 dollars. 这本书7美元。cent 美分 eg: The T-shirt is 30 dollars and 25 cents. 这件T 恤衫30美元25美分。enjoy 享用,享受 eg: They enjoy their life. 他们喜欢他们得生活。careful 小心的 eg: You must be careful when you cross the road. 当你过马路时,你一定要小心。Listen, read and act outSimon: What do you want, Daming?Daming: I dont know. Whats a hot dog? is it re