短语词组短语Put down to 归因于;说…因而起;是什么意思put out to sea 出航;出海;翻译put someone to death 处死put bounds to 限制put forward to 提出put sb to trouble 给人添麻烦put baby to bed 把婴儿安顿睡觉Put them to rest 让他们咳屁Put in to to 投入到中去 返回 put to