be used for与be used to的区别

be used for与be used to的区别 Be used as 与be used for 有什么区别? be used for be used to be used from区别 be used for be used for be used for be used for used to／be used to／be used for的区别 be used for doing,be used to do,be used as,be used in,be used to doing,used to be used for /be used to /used to区别~还有个be used for啊 be used to与have used to be used to doing,be used to do,used to do,be used for,be used by有什么区别. be used for的同义词 be used for怎么造句? 用Be used for 造句 be used for跟什么 be used be used