筛;过筛
先理解核心含义,再看它在真实句子里的用法。
筛;过筛
to separate or strain a powdery substance through a sieve or screen
一般现在时
She sifts the flour before baking.
她在烘焙前把面粉过筛。
现在进行时
He is sifting through the documents for clues.
他正在仔细翻阅文件寻找线索。
现在完成时
They have sifted all the evidence.
他们已经筛查了所有证据。
sift 有两层常用意思:把粉状物过筛,以及仔细筛选信息;与 through 搭配时表示“仔细查阅”。
She is sifting the flour into a large bowl before making the cake.
做蛋糕之前,她正把面粉筛进一个大碗里。
用法提示:sifting 是动词 sift 的现在分词,与 is 构成现在进行时,表示正在过筛面粉。
The children are sifting the sand to look for pretty shells.
孩子们正在筛沙子,想找漂亮的贝壳。
用法提示:sifting 与 are 构成现在进行时,表示用筛子分离沙子的动作。
After sifting the soil, the gardener planted the seeds in neat rows.
筛好土壤后,园丁把种子整齐地种下了。
用法提示:sifting 是动名词,用在介词 After 后,表示完成过筛土壤的动作。
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Dictionary facts from AI_FALLBACK, ECDICT, WIKTIONARY, WORDNET.