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）； 变形： 复数：swabs过去式：swabbed过去分词：swabbed现在分词：swabbing第三人称单数：swabs 英英释义： swab[ swɔb ]n.implement consisting of a small piece of cotton that is used to apply medication or cleanse a wound or obtain a spe