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

• 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。
• I'll swab the nooks and crannies for semen.
  我会在暗处和裂口提取精液。
• 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。
• You swab that wound on his hand yet?
  他手上的伤情洗过了吗？
• 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。
• 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。
• Swab the blood off her face.
  用拭子揩掉她脸上的血迹。
• Swab neck skin with betadine where thyroid area is, radiation hits thyroid first.
  在颈部皮肤的淋巴腺处涂抹皮维碘软膏，核辐射首先伤害淋巴系统。
• 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%。
• 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。