swab

英 [swɒb]

美 [swɑːb]

n. (医用的)拭子，药签; 用拭子对(人体)化验标本的采集
v. 用拭子擦拭; 擦洗，擦拭(地板等)

复数：swabs　过去式：swabbed　现在分词：swabbing　过去分词：swabbed　第三人称单数：swabs　

BNC.24580 / COCA.17891

牛津词典

noun

（医用的）拭子，药签
a piece of soft material used by a doctor, nurse, etc. for cleaning wounds or taking a sample from sb's body for testing
用拭子对（人体）化验标本的采集
an act of taking a sample from sb's body, with a swab
1. to take a throat swab
  用棉签从咽部采集化验样品

verb

用拭子擦拭
to clean or remove liquid from a wound, etc., using a swab
擦洗，擦拭（地板等）
to clean or wash a floor, surface, etc. using water and a cloth, etc.

(医用)拭子，棉签，药签
Aswabis 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 youswabsomething, you clean it using a wet cloth or a tool called a mop.
1. 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。

noun

cleaning implement consisting of absorbent material fastened to a handle
Synonym:swobmop
implement consisting of a small piece of cotton that is used to apply medication or cleanse a wound or obtain a specimen of a secretion

verb

apply (usually a liquid) to a surface
1. dab the wall with paint
Synonym:dabswob
wash with a swab or a mop
1. swab the ship's decks
Synonym:swob

Only one false positive case was recorded with the oral gum swab test, proving 99.7% specificity.
通过口腔分泌液检验只有一例假阳性，证明准确度99.7%。
The report also noted a swab sample taken from the toilet of an infected resident had shown positive in the test for the coronavirus! Genetic material.
报告亦指出在一位受感染居民的厕所取得的样本进行冠状病毒基因测验时，结果呈阳性反应。
The crew were orderd to swab down the decks.
船员们奉命擦洗甲板。
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。
A swab shows no trace of carbon.
药签的标本没有显示出碳的痕迹。
Doctors may some day be able to accurately, rapidly, and non-invasively diagnose lung cancer with nothing more than a quick swab of the mouth, a new study suggests.
新的研究提示，医生们有一天能用精确，快速，非侵入性的方法诊断肺癌，仅仅用口腔拭子试验而已。
You should never put a cotton swab or other object into the ear canal.
千万别把棉拭子或其他东西塞进耳道。
Where you going? We got decks to swab.
你去哪儿？我们还要清洗甲板呢。
Analysis the result of throat swab culture taking from 209 hospitalized neonatus
209例新生儿入院时咽拭子培养结果分析探讨
I'll swab the nooks and crannies for semen.
我会在暗处和裂口提取精液。