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ozone layer

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  • n.臭氧层
  • Web臭气层;臭氧层破坏;因臭氧层
ozone layer
n.
1.
臭氧层a layer of ozone high above the earth's surface that helps to protect the earth from harmful radiation from the sun

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Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
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