pollution-free
常見例句
- 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)口罩衹能在無汙染的環(huán)境中，包括無確診或疑似流感病人的環(huán)境中摘除。 返回 pollution-free