托福词汇：scour

scour ['skauə] US UK

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vt. 冲刷,擦掉

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verb

【释义】

to search very carefully and thoroughly through an area, a document etc

〔彻底地〕搜寻，翻找，搜查:

【例句】

Her family began to scour the countryside for a suitable house.

她的家里人开始在乡村寻找合适的房子。

【释义】

also scour out to clean something very thoroughly by rubbing it with a rough material

擦净，擦亮;

【例句】

Ada was scouring out the pans.

埃达在擦锅子。

【释义】

also scour out to form a hole by continuous movement over a long period

〔长期不断地〕冲刷成〔洞〕:

【例句】

Over the years, the stream had scoured out a round pool in the rock.

经年累月，溪水在岩石上冲出了一个圆形水坑。