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v.用拭子拭抹或擦净(某物)( swab的过去式和过去分词 );(用拖把、抹布等)擦洗(某物); 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 specimen of a secretioncleaning implement consisting of absorbent material