基本解釋無污染的同根派生 pollution-free相關(guān)詞英漢例句Respirators should only be removed when the wearer is in an area that is considered free of airborne hazards, including confirmed or suspected influenza patients.呼吸防護(hù)口罩只能在無污染的環(huán)境中，包括無確診或疑似流感病人的環(huán)境中摘除。pollution-free更多例句