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

• Therefore, if a resistor acquires surface films from careless handling or deposits from air contaminants, it should be cleaned with a foam-tipped swab and methanol.
  所以，如果由于不当的处理或空气污染物的沉积而在其表面形成薄膜，则应使用浸了甲醇的泡沫签来清洗。
• 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。
• 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。
• I'll swab the nooks and crannies for semen.
  我会在暗处和裂口提取精液。
• 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。
• Swab a child's throat
  用药棉洗孩子的喉部
• 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。
• Comparison of mycoplasma culture for sputum and throat swab for diagnosis of mycoplasmal pneumonia in children
  咽拭子及痰液标本肺炎支原体培养对支原体肺炎诊断的影响
• I'll swab it for trace.
  我会用药签来查明。
• 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。