sifting

• 指用筛子等工具将细小的颗粒与较大的颗粒或杂质分离开来的过程，也泛指仔细筛选、甄别或分类。

A noun referring to the process of separating grain from chaff, often by using a sieve or similar tool.

不可数

1. Separation of grain from chaffB2formal

   The process of separating the edible part of grain from the inedible husks or chaff, typically by shaking or using a sieve.

   扬谷

   • The farmer spent the afternoon sifting the wheat.
   • Sifting is an essential step in traditional grain processing.
   • After sifting, the clean grain was stored in the barn.

   同义词screeningwinnowing

• 指用筛子等工具将物质过筛，把细小颗粒与粗大颗粒分开；也指仔细审查、挑选，以从中选出或分离有价值的部分。

A verb used to indicate the act of passing a substance through a sieve to separate finer particles from coarser ones, or to examine something carefully to select or separate valuable parts.

1. Pass through a sieveB1formal

   To put a substance through a sieve or similar device to separate fine particles from coarse ones.

   筛

   • She sifted the flour before adding it to the cake batter.
   • The baker sifted the sugar to remove any lumps.
   • He sifted the sand to find small shells.

   同义词boltfilterriddlescreensievestrain

2. Examine carefullyB2formal

   To examine or analyze something in detail, often to separate useful from useless information.

   仔细审查

   • The detective sifted through the evidence for clues.
   • We need to sift the data to find the relevant statistics.
   • She sifted through the documents looking for the contract.

   同义词analyzecombexamineinvestigateprobereviewscreenscrutinizewinnow

3. B2formal

   To separate or distinguish one thing from another, especially by careful analysis.

   区分

   • It's important to sift fact from fiction in this report.
   • The teacher helped the students sift the main ideas from the details.
   • He sifted the good proposals from the bad ones.

   同义词analyzediscriminatedistinguishexaminefilterscreenseparatesortwinnow

   反义词blendcombineconflateconfusemergemix