Question

swab 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）; third:swabs~done:swabbed~pl:swabs~ing:swabbing~past:swabbed~

Accepted Answer

英[swɒb]  美[swɑb] 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：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。

单词	swab
音标	英[swɒb] 美[swɑb]
解释	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）;
例句	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：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。
变形	third:swabs~done:swabbed~pl:swabs~ing:swabbing~past:swabbed~

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 N Count 医用)拭子，棉签，药签 Small Piece