短語詞組用作動詞 (v.)~+名詞retain an appearance of youth 看上去依舊年輕retain the characteristics of the working people 保持勞動人民的本色retain one 's interest in life 保持著對人生的興趣retain the memory of sb 仍記得某人retain a memory of one 's schooldays 仍記得學(xué)生時代的情景副詞+~always retain 一直保持still retain 仍舊保持~+副詞retain basely 基本上保留retain gloriously 光榮地保留retain indefinitely 不明確地保留retain invariably 始終如一地保持retain righteously 正直地保留retain selfishly 自私地保留~+介詞retain on 〔over〕 對…保持…短語retain background 保持背景;重新同步化retain seal 護(hù)圈密封retain earnings 留存收益;保留盈余;收益保留;保留盈利Retain Existing 保持已有的控制點數(shù)retain memories 留住回憶RETAIN 模型 modelRetain Water 蓄水 返回 retain