Ozone
01
臭氧, 臭氧层
a type of gas present in the sky that protects the life on earth from the harmful rays of the sun
例子
The ozone layer over Antarctica has been thinning due to pollution.
南极上空的臭氧层因污染而变薄。
Without the ozone, humans would suffer more sunburns and skin cancer.
没有臭氧，人类会遭受更多的晒伤和皮肤癌。
