swab
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.
同义词
Swab的同义词之：
sponge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；
