swab

swɒb

英文释义

n. 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
n. cleaning implement consisting of absorbent material fastened to a handle; for cleaning floors
v. wash with a swab or a mop

中文翻译

n. 拖把, 药签
vt. 擦洗, 拭抹

24,580
BNC 频率
17,891
使用频率

记忆技巧

swab 没有明显的词根词缀，可以看作是一个独立的单词，通常指用来擦拭的工具。

例句

1. The doctor used a swab to take a sample from my throat.
医生用棉签从我的喉咙里取了一个样本。
2. Please swab the table with a clean cloth before we eat.
在我们吃饭之前，请用干净的布擦拭桌子。
3. A COVID-19 test requires a nasal swab to check for the virus.
COVID-19 检测需要用鼻拭子来检查病毒。

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