n.篩子；粗籃；說話輕率不能保密的人

v.篩；濾

We can separate the stones out with a sieve. 我們可以用一個篩子把石頭分離出來。

This boat leaks like a sieve,ie very badly. 這條船漏得像個篩子。

We often shake flour through a sieve. 我們經(jīng)常用篩子篩面粉。

You'll need to sieve out the stone from the soil. 你得將石塊從土中篩出。

Sieve the sauce to get the lumps out. 濾一下醬汁，把硬塊弄出來。

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. 這種稱作茶胺酸的微小分子會進人血液中，接著穿越重要的血腦屏障，那是種只讓特定分子通過的選擇性濾網(wǎng)。