sift
sift
verb
sifter
noun
语源
verb
- [with obj.]put (a fine, loose, or powdery substance) through a sieve so as to remove lumps or large particles
筛（微小颗粒、疏松或粉末状物质)，筛分；过滤
sift the flour into a large bowl.
将面粉筛进一个大碗中。
■(figurative)examine (something) thoroughly so as to isolate that which is most important or useful
(喻)筛选；遴选
until we sift the evidence ourselves, we can't comment objectively.
只有等我们筛选出证据后，我们才能客观加以评论。
[no obj.]the fourth stage involves sifting through the data and evaluating it.
第四阶段涉及到筛选数据，并加以评价。
■(sift something out)separate something, especially something to be discarded, from something else
使分开，剔除
he asked for streamlined procedures to sift out frivolous applications.
他要求简化程序，剔除毫无意义的申请。
■cause to flow or pass as through a sieve
（使）通过筛具般撒下，落下，通过
Miranda sifted the warm sand through her fingers.
米兰达将暖和的沙子从指缝中漏下。
■[no obj., with adverbial of direction](of snow, ash, light, or similar) descend or float down lightly or sparsely as if sprinkled from a sieve
（雪、灰或光线等）轻轻撒落，轻轻飘落
ash began to sift down round them.
灰尘开始在他们周围撒落下来。
- [usu. in sing.]an act of sifting something, especially so as to isolate that which is most important or useful
筛，筛选
a careful archaeological sift must be made through the debris.
必须对瓦砾进行细致的考古筛选工作。
■an amount of sifted material
筛过的原料
the floor was dusted with a fine sift of flour.
地板上撒满了筛过的精细面粉。
sifter
noun
语源
- Old English siftan, of West Germanic origin; related to Dutch ziften, also to sieve
考试词汇表
