The ozone layer screens out dangerous rays from the sun.
臭氧层能遮挡住来自太阳的有害射线。
It is widely known that CFCs can damage the ozone layer.
众所周知氯氟烃会破坏臭氧层。
The ozone layer shields the earth from the sun's ultraviolet rays.
臭氧层保护地球不受太阳紫外线的辐射。
They will press for international action to safeguard the ozone layer.
他们将竭力要求国际行动来保护臭氧层。
In heavy concentrations, ozone is irritating to the eyes, nose and throat.
浓度极高时，臭氧对眼睛、鼻子和喉咙是有刺激的。
What they find could provide clues to what might happen worldwide if ozone depletion continues.
如果臭氧的损耗继续下去，他们的发现能为全世界可能发生的情况提供线索。
The machine uses minute quantities of ozone to sterilize and deodorize refrigerated food vehicles.
这个机器用微量臭氧对食物冷藏车进行消毒和除臭。
Because early Earth lacked oxygen in its atmosphere, it also lacked a protective ozone barrier.
因为早期的地球大气中缺乏氧气，所以也缺乏起保护作用的臭氧层屏障。
These are pollutants, particularly ozone and soot, that do not hang around in the atmosphere as carbon dioxide does.
这些污染物，尤其是臭氧和煤烟，不像二氧化碳那样悬浮在大气中。
The absence of oxygen on other planets means that those planets lack an ozone shield to protect life forms against UV radiation.
其他行星上没有氧气，这意味着这些行星缺乏保护生命体免受紫外线辐射的臭氧层。
These molecules burn more cleanly than gasoline, in part because they have fewer, if any, carbon-carbon bonds, and the hydrocarbons they do emit are less likely to generate ozone.
这些分子燃烧起来比汽油更干净，部分原因是它们的碳-碳键更少（如果有的话），而且它们排放的碳氢化合物不太可能产生臭氧。
Species extinction, deforestation, damming of rivers, occurrence of floods, the depletion of ozone, the degradation of ocean systems and many other areas are all experiencing acceleration.
物种灭绝、森林砍伐、河流筑坝、洪水、臭氧层损耗、海洋系统恶化和许多其他变化都在加速发生。
The absence of an oxygen atmosphere on Mars and other planets in our solar system means that these planets also lack an ozone shield that would protect surface-dwelling life from UV radiation.
在火星和我们太阳系的其他行星上没有氧气，这意味着这些行星也缺乏保护地表生物免受紫外线辐射的臭氧层。
And when sunlight hits those compounds, ozone forms.
而当阳光照射在这些物质上时就会产生臭氧。
Byproducts form as skin substances interact with ozone.
因为表层皮肤里的某些物质与臭氧相互作用时会产生副产物。
Those aren't the only emissions that impact ozone, however.
然而，这些化学物质并不是唯一影响臭氧层的排放物。
Ozone: ozone absorbs some of the UV radiation from the sun.
臭氧：臭氧吸收一些太阳紫外线辐射。
The ozone layer blocks some harmful rays which the sun gives off.
臭氧层阻隔了太阳发出的一些有害射线。
The ozone layer protects life on Earth from harmful ultraviolet rays.
臭氧层可以保护地球上的生物免受有害紫外线的辐射。
Bans on ozone-depleting chemicals were not burdensome for US companies.
禁止排放破坏臭氧层的化学物质并不会给美国公司造成负担。
Climate change and the depleted ozone layer are among the starkest examples.
气候变化和臭氧层耗减就是其中最明显的例子。
As the ozone layer is depleted, more UV radiation reaches the Earth's surface.
当臭氧层消失时，更多的紫外线辐射到达地球表面。
Both soot and ozone cause respiratory problems and can permanently damage the lungs.
烟灰和臭氧都会造成呼吸系统疾病而且会对肺部造成永久性损伤。
Every austral spring, an ominous "hole" appears in stratospheric ozone over Antarctica.
每逢南半球春季，南极洲平流层中都会出现不祥的臭氧层空洞。
"Nitrogen oxides in particular are of concern," he says, because they can destroy ozone.
他说，“尤其要注意氮氧化物”，因为它们可以破坏臭氧层。
"Nitrogen oxides in particular are of concern," he says, because they can destroy ozone.
他说，“尤其要注意氮氧化物”，因为它们可以破坏臭氧层。
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