vt.保持；留在心中，记住；雇用；付定金保留 变形： 过去式：retained过去分词：retained现在分词：retaining第三人称单数：retains 双语释义：v.(动词)vt. 保持; 保留 keep; continue to have or holdvt. 挡住 keep in place英英释义： retain[ ri'tein ]v.hold within"This soil retains water"; "I retain this drug for a long time"all