The ozone layer protects life on earth from harmful ultra-violet rays.
臭氧层保护地球上的生命免受有害紫外线的辐射。
An important thing is monitoring the size of the hole in the zone layer above Antarctica, since this is an indicator of global ultra-violet radiation levels.
监测南极上方臭氧层空洞的大小是一件重要的事，因为它是全球紫外线辐射水平的一个指示器。
It may damage the ozone layer which protects us from the ultra-violet rays of the sun.
它可以破坏能保护我们免受太阳紫外线伤害的臭氧层。
The ozone layer protects living things from harmful radiation of the ultra-violet ray from the sun.
臭氧层是保护所有生物来自于太阳的有害辐射和紫外线。
The ozone layer protects living things from harmful radiation of the ultra-violet ray from the sun.
臭氧层是保护所有生物来自于太阳的有害辐射和紫外线。
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