swab是什么意思？

swab

英[swɒb] 美[swɑb]

• n. （医用的）拭子，药签，（用拭子取下的）化验标准；
• vt. 用拭子拭抹或擦净（某物），（用拖把、抹布等）擦洗（某物）；

复数：swabs;

第三人称单数：swabs;

过去式：swabbed;

过去分词：swabbed;

现在分词：swabbing;

例句

• She used cotton wool to swab her wounds when they bled. 伤口渗出来的血水需要棉花来抹掉.
• to take a throat swab 用棉签从咽部采集化验样品
• 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.

柯林斯高阶英汉双解学习词典释义

• N-COUNT
  (医用)拭子，棉签，药签
  A swab is 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 you swab something, you clean it using a wet cloth or a tool called a mop.
  例句
  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。

英英词典释义

• Noun
  1. 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
  2. cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors
• Verb
  1. wash with a swab or a mop;
  "swab the ship's decks"
  2. apply (usually a liquid) to a surface;
  "dab the wall with paint"

行业词典

• 医学： 拭子：由一小团棉花或其他吸收性材料固定在金属丝或小棒末端而成，用于涂布药物，拭除物质，收集微生物材料等；