单词	acid fog
释义	acid fog noun : fog having increased acidity caused by environmental factors (such as atmospheric pollutants) Even so, a combination of acid fog and ozone may have made trees on this and other Eastern summits more vulnerable to bugs, weather, and drought. Edmund Faltermayer, Fortune, 17 July 1989 Word History First Known Use 1878, in the meaning defined above
随便看	portabler portables portablest portably Portacipher portae portage portaged portages portaging portague portagues portail portakabins portal portal system portal vein portal-to-portal portaled portalled portaloos portals portamenti portamento portamentos

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