These ozone-destroying chemicals are used in aerosol sprays on Earth.

这种能够破坏臭氧层的化学物质在地球上用于气雾喷雾器。

The 1987 Montreal Protocol phased out the use of chlorofluorocarbons, or CFCs, responsible.

分阶段撤销氯碳化物、氟氯碳化物、以及其他一些会对臭氧层造成破坏的物质的使用。

The ozone hole had been growing for decades over Antarctica.

几十年来，南极洲上空的臭氧层空洞在不断扩大。

Other aerosols can host chemical reactions that damage the ozone layer.

其他气溶胶可以主伤害臭氧层的化学反应。

This means the size of the ozone hole changes year on year.

这意味着臭氧层空洞的大小每年都在改变。”

It's linked to global warming, acid rain, effects on wildlife, depletion of the ozone layer.

空气污染和全球变暖、酸雨、野生动物保护、臭氧层耗竭这些问题息息相关。

Rocket engine exhaust contains gases and particles that can affect Earth's climate and ozone layer.

火箭发动机的尾气中含有能影响地球气候和臭氧层的气体和颗粒物。

The hole in the ozone layer is getting smaller.

臭氧层的空洞正越来越小。

The UN now predicts the ozone layer will return to its 1980 level by 2066.

目前联合国预测，到 2066 年，臭氧层将恢复到 1980 年的水平。

" … hole in the ozone shield is the size of the continental United States."

“臭氧层上的空洞有美国大陆那么大。”

The disappearing ozone layer causes increased temperatures around the world, triggering cyclones, tsunamis and hurricanes.

臭氧层的消失致全球气温升高，引发龙卷风，海啸和飓风。

A chemical that helped to create a hole in the ozone layer is reappearing.

一种致臭氧层空洞的化学物质重新出现。

The ozone layer, our protection against the sun's UV rays, is made of oxygen.

氧气组成的臭氧层使人免受紫外线伤害。

However, the study said the ozone layer is improving.

然而，该研究称，臭氧层正在改善。

These do not harm the ozone layer and are more energy efficient.

它们不会损害臭氧层，而且更节能。

The ozone layer is becoming very thin and letting too many dangerous rays reach us.

臭氧层变薄，人类会遭到许多危险射线侵扰。

An international report says human action to save the ozone layer appears to have worked.

一份国际报告称，人类拯救臭氧层的行动似乎奏效了。

The study says it should fully recover within decades.

该研究称，臭氧层将在几十年内完全恢复。

It would be enough to totally destroy the Earth's ozone layer.

这足以彻底摧毁地球的臭氧层。

The layer exists in a part of Earth's atmosphere known as the stratosphere.

臭氧层是指地球大气层的平流层中的一部分。