vt.筛分；精选；撒；审查vi.筛；细查； 变形： 过去式：sifted过去分词：sifted现在分词：sifting第三人称单数：sifts 双语释义：v.(动词)vt. 筛，筛滤 separate by putting through a sievevt. 细查，详审 make a close and thorough examination (of things in a mass or group)英英释义： sift[ sift ]v.move as if through a sieve"The