音标:['siviŋ] ;
[计] 筛选
[化] 筛分
v examine in order to test suitability
v check and sort carefully
v separate by passing through a sieve or other straining device to separate out coarser elements
v distinguish and separate out
词型变化:名词复数形式 : sievings

sieving的用法和样例:

例句

用作名词(n.)
  1. She is sieving the rice in order to sieve out the stones.她正在把米过筛,好把石头筛出。
  2. Mine sieving mesh is a kind of metal mesh components for sifting and filtering.矿筛网是一种用于筛分过滤的金属网状结构元件。
  3. Mine sieving mesh is a kind of metal mesh components for sifting and filtering.矿筛网是一种用于筛分过滤的金属网状结构元件。
  4. Over time, particles rejected by the sieving action of the membranes build up on the outside of each fiber.随着时间的推移,颗粒拒绝筛分行动建立膜的外面每个纤维。

It may not be the most melodious bit of birdsong youll ever encounter. [Titmouse alarm call]. But this particular call, issued by a tufted titmouse, conveys important information about the presence of potential predators. But only if other birds can

发表于:2019-01-20 / 阅读(315) / 评论(0) 分类 2016年Scientific American(八)月
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