根据最新一项研究报告表明，地球上空的大气臭氧层开始停止变薄。
The ozone layer in Earth's upper atmosphere has stopped thinning, concludes a new report.
大气中臭氧层保护地球免受太阳的有害辐射。
Ozone in the atmosphere protects the earth from harmful radiation from the sun.
“300年前，地球几乎毁灭，”瑞拉说，“因为有人工臭氧层地球才免于灾难。”
'Three hundred years ago, Earth nearly died,' Rilla said. 'Earth.
“300年前，地球几乎毁灭，”瑞拉说，“因为有人工臭氧层地球才免于灾难。”
'Three hundred years ago, Earth nearly died,' Rilla said. 'Earth.
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