sieve

筛子、滤网

She poured the flour through a fine sieve to remove the lumps.

她把面粉倒进细筛子里，把结块筛掉。

漏斗、漏勺比喻

My memory is like a sieve these days; I forget everything.

我最近记性差得像筛子一样，什么都记不住。

筛、过筛

Sieve the sugar and cocoa powder together before mixing.

搅拌前先把糖和可可粉一起过筛。

筛选、过滤

We spent hours sieving through the data for useful patterns.

我们花了好几个小时筛选资料，寻找有用的规律。