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swabs是什么意思

swabs

柯林斯高阶英汉双解学习词典释义

N-COUNT

(医用)拭子，棉签，药签

A swab is a small piece of cotton wool used by a doctor or nurse for cleaning a wound or putting a substance on it.
VERB

(用拖把、抹布等)擦洗，擦拭

If you swab something, you clean it using a wet cloth or a tool called a mop.
例句
I noticed a lone man in the cafeteria swabbing the floor as I passed. 我路过时注意到一个男子独自在自助餐厅里拖地。

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