an absorbent pad or piece of material used in surgery and medicine for cleaning wounds, applying medication, or taking specimens
拭子;药签。
a specimen of a secretion taken with a swab for examination
用拭子取下的分泌物试验标本
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he had taken throat swabs .他已取了喉液的化验标本。
a mop or other absorbent device for cleaning or mopping up a floor or other surface
拖把。
〈古〉 [用 于骂人或表示轻蔑] 饭桶。
〈美〉 同
clean (a wound or surface) with a swab
用药签清洁(伤口);用拖把清洁(表面)
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swabbing down the decks 把甲板拖干净
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swab a patch of skin with alcohol .用药签蘸酒精清洁一块皮肤。
[with adverbial]absorb or clear (moisture) with a swab
用药签吸掉
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the blood was swabbed away .血被药签吸干了。
"mid 17th cent. (in the sense ‘mop for cleaning the decks’): back-formation from