-
The ozone layer in Earth's upper atmosphere has stopped thinning, concludes a new report.
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。
youdao
-
The ozone layer in Earth's upper atmosphere has stopped thinning, concludes a new report.
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。
youdao