音标：[pə'lu:ʃnfr'i:] ；

无污染的

词性分布：

形容词100%

pollution-free的用法和样例：

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。

词汇搭配

pollution-free fuel无污染燃料
pollution free technology无污染工艺
pollution-free energy无污染能源
pollution-free engine无污染发动机...

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学英语单词

abdul-mejid i

acantharia chaetomoides

accept for

air medical quarantine station

ambitious

arenaria takasagomontana