1. She is sifting flour to make a cake.
她正在筛面粉做蛋糕。

2. The researchers are sifting through large amounts of data.
研究人员正在筛选大量数据。

3. He spent hours sifting the sand for small shells.
他花了几个小时在沙子里筛找小贝壳。

A: What are you doing in the kitchen?
A：你在厨房做什么？

B: I am sifting the flour for baking bread.
B：我在筛面粉准备烤面包。

A: How is the investigation going?
A：调查进行得怎么样？

B: We are still sifting through the evidence.
B：我们仍在筛查证据。

1) 用筛子分离颗粒

2) 仔细筛选信息或数据

3) 从大量内容中挑选有用部分

1. 用筛子分离细小颗粒

e.g. She is sifting flour in the kitchen.
她在厨房筛面粉。

2. 比喻性筛选信息或材料

e.g. They are sifting through documents.
他们正在筛选文件。

noun/verb (present participle)

1. The act of separating or examining something carefully, especially using a sieve or by filtering information.

Synonym: filtering, screening, sorting