The Antarctic ozone hole is more severe this year than ever before, and ozone levels over temperate? Regions are dipping as well.
南极洲臭氧层破洞今年更趋严重，而且温带地区上空的臭氧含量也在下降。
The Antarctic ozone hole is more severe this year than ever before, and ozone levels over temperate? Regions are dipping as well.
南极洲臭氧层破洞今年更趋严重，而且温带地区上空的臭氧含量也在下降。
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