短语词组短语be only able to do 只能够做be able to do sth 能够做某事;有能力做某事;能做某事;有能力干某事be able to do anything 用途多样的will be able to do 能够做到;将能够做be able to do the 会做到的be able to do something 能做某事 返回 be able to do