ozone layer
noun [ S ]
ukus ENVIRONMENT
a layer of air high above the Earth that contains ozone (= a form of oxygen) and that prevents harmful light from the sun from reaching the Earth
单词 | ozone layer |
释义 | ozone layer noun [ S ] ukus ENVIRONMENT a layer of air high above the Earth that contains ozone (= a form of oxygen) and that prevents harmful light from the sun from reaching the Earth |
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