Old English siftan "pass (something) through a sieve," from Proto-Germanic *sib- (cognates: Dutch ziften, Middle Low German sichten, German sichten "to sift;" see sieve (n.)). Intransitive sense "to pass loosely or fall scatteredly" is from 1590s. Metaphoric sense of "look carefully through" first recorded 1530s. Related: Sifted; sifting.
实用例句
1. Sift the flour and baking powder into a medium-sized mixing bowl.
将面粉和发酵粉筛入中等大小的搅拌碗中。
来自柯林斯例句
2. Sift the flour into a bowl.
把面粉筛到碗里。
来自《权威词典》
3. Sift out the wheat from the chaff.
把小麦的壳筛出来.
来自《现代汉英综合大词典》
4. Police officers have continued to sift through the wreckage following yesterday's bomb attack.