英语词汇“pollution-free”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	pollution-free
释义	pollution-free 基本例句无污染的形容词100% 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.呼吸防护口罩只能在无污染的环境中，包括无确诊或疑似流感病人的环境中摘除。
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