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BNC: 24580 COCA: 17891

a small piece of soft material used for cleaning a cut or for taking a small amount of substance from a body, or the substance itself that can then be tested拭子,消毒棉;用药签取下的化验标本

The nurse cleaned the cut on my leg with a swab.护士用一根药签清理我腿上的伤口。
"I'm just going to take a swab of your ear," said the doctor.医生说:“我要用棉签从你耳朵里取样检查。”

US US trademark Q-tip, UK cotton bud a small piece of soft material on a short stick药签,棉花棒

Use a cotton swab to clean your ears.用一支棉花棒清理你的耳朵。

swab verb [ T ] WASH

to wash a surface, especially the open, flat areas of a ship, with a wet cloth or mop(用湿布或拖把)清洗,擦洗(尤指船上的地板)

swab verb [ T ] MEDICINE

to clean a cut or take a small amount of substance from a body using a small piece of soft material用棉花棒清理(伤口);用药签取下(化验标本)

BNC: 24580 COCA: 17891
BNC: 24580 COCA: 17891
BNC: 24580 COCA: 17891
swab
Medical tests and examinations: amniocentesis, autopsy, biopsy...
To perform a medical test, treatment or operation: abort, anaesthetise, anaesthetize...

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