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

• 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。
• 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。
• Enterovirus 71 nucleic acid detected from throat swab specimens of a pair of mother-daughter
  从母女咽拭子样本中检出EV71肠道病毒核酸
• Interpol said such explosives cannot be detected by using standard X-ray equipment, but noted that airport "puffer" machines, swab tests and bomb-sniffing dogs could help aid detection.
  国际警察组织说，这种炸药不能被标准的X射线设备所检测，但指出机场的吹气机、表面擦拭测试和炸弹嗅探犬可以帮助检测。
• 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。
• But you can use a swab or cloth to clean the outer part of the ear.
  但是你可以用棉签或者布清理耳朵的外部。
• 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。
• 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。
• A keen artist, Cao uses a cotton swab instead of a paint brush.
  一位热衷艺术的艺术家，曹庆用棉花棒代替画笔作画。
• Administer the salve to the sunburned area with a cotton swab.
  请用棉药签把药膏敷在晒伤的地方。