单词	chemosphere
释义	chemosphere noun che·​mo·​sphere ˈkēmə, ¦kemə+ˌ : a stratum of the upper atmosphere in which photochemical reactions are prevalent and which begins about 20 miles above the earth's surface Word History Etymology chem- + sphere
随便看	partakings partan partan face partans parte's gull parted parted (with) parted and fretted parted and fretty parted with parter parterre parterred parterres parters partest parthen- parthena parthenia Parthenium partheniums partheno- parthenocarpic parthenocarpies parthenocarpy

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