n.筛子；粗篮；说话轻率不能保密的人
v.筛；滤
We can separate the stones out with a sieve. 我们可以用一个筛子把石头分离出来。
This boat leaks like a sieve,ie very badly. 这条船漏得像个筛子。
用作动词 (v.)We often shake flour through a sieve. 我们经常用筛子筛面粉。
You'll need to sieve out the stone from the soil. 你得将石块从土中筛出。
Sieve the sauce to get the lumps out. 滤一下酱汁，把硬块弄出来。
Known as theanine, the tiny molecule enters the bloodstream, then crosses the critical blood-brain barrier, the selective sieve that allows entry only of certain molecules. 这种称作茶胺酸的微小分子会进人血液中，接着穿越重要的血脑屏障，那是种只让特定分子通过的选择性滤网。
