Ozone layer
例子
The ozone layer is a region of the Earth's stratosphere that absorbs most of the sun's ultraviolet radiation.
臭氧层是地球平流层的一个区域,它吸收了太阳的大部分紫外线辐射。
Human activities, such as the release of chlorofluorocarbons ( CFCs ), have contributed to the depletion of the ozone layer.
人类活动,如释放氯氟烃(CFCs),导致了臭氧层的损耗。



























