by turns是什么意思?

by turns是什么意思? by turns的用法 take turns 是什么意思呢? arrange by turns什么意思 by turns与in turns有什么区别 She laughed and cried by turns.翻译 do sth.by turns啥意思 是take turn还是take turns?是in turns 还是in turn?是by turns 还是by turn? the book is,by turns,funny and very sad.by turns能不能换成in turns,它俩个有什么区别 by turns 和in turns在用法上有什么区别? in turn 和 by turns怎么用怎么区别 We play the dialogue _____.A in turns B take turns C by turn D on turn sex bomb turns you on到底是什么意思啊? take turns to ask and answer questions是什么意思 Bag snatcher turns out to be policeman是什么意思 BY是什么意思? by是什么意思 BY 是什么意思?