振动与冲击是ei吗:what do you think of them是什么意思

what do you think of Americans? what do you think of them是什么意思 what do you think of soap operas What do you think of this book? what do you think of my name? What do you think? what do you think of my English? 什么意思 Unit 11 What do you think of game shows? what do you think of sth 的同义句 what kind of friend do you think are true firends?