名词（医用的）拭子，药签; （用拭子取下的）化验标准

及物动词用拭子拭抹或擦净（某物）; （用拖把、抹布等）擦洗（某物）

1. 拭子：除了检查每天从印尼布兰岛(Pulau Bulan)坐船运到新加坡的1000头猪的健康外,在宰杀这些猪后,宰猪场员工也会用拭子(swab)从猪鼻和猪肺采样,做猪流感检测.

2. 棉签：来到洗手间调查洗手盆,在上面发现一道污迹,将发光氨(Luminol)喷涂到洗手盆的侧壁,找到一条隐藏的血痕,用棉签(Swab)采集到血液样本. 再次调查床上的尸体,在女尸的嘴里找到一张纸币,用手套拾起它. 据吉尔说在希腊的传说里,

3. 棉棒：用于数码相机传感器的某些现有技术清洁棉棒(swab)包含桨状硬质体,其具有伸长的柄部和在柄一端整体包含的扫片(sweeping blade).

1. (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.

2. (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.

e.g. 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。

noun

1. cleaning implement consisting of absorbent material fastened to a handle
for cleaning floors

Synonym: swobmop

2. 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