Level 6 · word 16,733 of 20,000

swab

/ˈswɑːb/ American
  • n. 药签, 拭子
  • v. 擦拭, 擦洗
Definition
  • n. a small piece of material for cleaning or taking a sample
  • v. to clean or wipe something with a wet cloth
Example
The nurse used a swab to collect a sample from his throat.
护士用棉签从他的喉咙里取了样本。