o
zone
复数形式
ozones
1
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
- 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。
- Scientists monitor ozone levels to track environmental recovery.
科学家监测臭氧水平以追踪环境恢复。
- Certain chemicals in aerosols used to damage the ozone layer.
气溶胶中使用的某些化学物质曾用于破坏臭氧层。
- The Montreal Protocol helped reduce harm to the ozone layer.
《蒙特利尔议定书》有助于减少对臭氧层的危害。