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Keywords Ozone layer;Environmental;phase out;CFCs; 臭氧层;环保;淘汰;氟利昂;
Keywords Ozone layer Chlorofluorocarbon Ozone hole Antarctic; 臭氧层;氟利昂;臭氧洞;南极;
Keywords ozone;Freon;ultraviolet ray;ozone layer;destruction;protection; 臭氧;氟利昂;紫外线;臭氧层;破坏;保护;
The pollution had destroyed ozone layer and caused many changes in weather. 污染破坏了臭氧层，并引起了许多天气变化。
Keywords Ozonic layer;Freon;Protection;Refrig-erant; 臭氧层;氟利昂;保护;制冷剂;
The chlorine atoms eat away at the ozone layer. 氯原子大量吞噬臭氧。
And left a hole in the ozone layer. 把臭氧层弄了一个洞。
If you look up it opens a hore in the ozone layer. 只要你抬头臭氧层就会破个洞。
It has made a very big hole in the ozone layer. 它已经使臭氧层出现了一个非常大的空洞。
Media reports dubbed the annual thinning a hole in the ozone layer. 媒体报道称之为臭氧层年度稀释“空洞”。
Our protective ozone layer above the earth has been thinned. 我们地球上方具有保护作用的臭氧层变得稀薄了。
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。
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。
Many groups of scientists quickly began monitoring the Antarctic ozone layer. 许多科学家小组很快开始了对南极臭氧层的检测。
Mars has no ozone layer to screen out the Sun's lethal radiation. 而且，火星上没有能屏蔽太阳致命射线的臭氧层。
The ozone layer reduces the penetration of ultraviolet radiation. 臭氧层能够降低紫外线的辐射穿透作用。
Scientists warn us of the need to keep an eye on the ozone layer. 科学家警告我们要关注臭氧层。
The protective ozone layer above the Earth has been thinned. 地球上方具有保护作用的臭氧层正变得越来越稀薄了。
This chart illustrates the function of the ozone layer. 这张图表说明了臭氧层的机能。