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.

柯林斯词典

• (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。

英英释义

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

双语例句

• 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。
• I'll swab it for trace.
  我会用药签来查明。
• 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 device tests material collected from a quick swab of a person's throat.
  这种装置测试的物质是用棉签快速从人的喉咙处采集的。
• 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。
• The company sends sealed cotton swabs and instructs customers to swab the insides of their cheeks.
  公司会邮寄密封的棉花刷子给客户，指导他们刮取口腔内壁。
• We think that the swab cultures taken from the tonsillar surface may not always reveal the real pathogen of the tonsils.
  我们认为从扁桃体表面获得的咽拭子培养并不能总是显示扁桃体真实的致病菌。
• The doctors rub the cotton swab on the opening of a woman's uterus. Once the liquid touches the organ, any pre-cancerous or cancerous cells will turn white.
  医生用棉签摩擦妇女的子宫口，一旦白醋接触该器官，任何癌前或癌变细胞都会变成白色。
• Methods: To examine helminth eggs with Kato-katz, and examine pinworm eggs with anal swab method for3~ 7 years'children, then do statistics and analysis for the results.
  采用改良加藤厚涂片法检查肠道蠕虫卵和对3~7岁儿童进行肛拭法检查蛲虫卵，并对检查结果进行统计分析。
• A swab shows no trace of carbon.
  药签的标本没有显示出碳的痕迹。