a layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun
例句
用作名词(n.)
It protects your health against the harm from damaged ozonosphere today.在臭氧层被破坏的今天，它呵护着你的健康。
The ozonosphere can absorb the poisonous radiation of the solar ultraviolet to prevent lives from encroaching.臭氧层能够吸收太阳紫外线的有害辐射使生命体免受侵害。
