Ozone forms a protective layer between 12 and 30 miles above the Earth's surface.

One team will fly balloons carrying instruments to measure the ozone.

其中一个小组将放飞载有测量器具的气球来测量臭氧含量.

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At its largest this year, the ozone hole covered more than 15 million square kilometers.

在最大的一年中, 臭氧空洞覆盖超过15万平方公里.

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Prof Austin's computer simulation suggests that the Arctic ozone hole will not recover until around 2040.

奥斯丁教授的电脑模拟显示北极的臭氧洞到2040年之前也不会复原.

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And the ozone hole has been the emergence of andand even people have caused great harm.

并且臭氧空洞的出现已经对动植物甚至使人都造成了巨大的危害.

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The ozone hole forms over Antarctica in August and September, when the temperatures are coldest.

南极上空的臭氧洞于8月至9月间天气最冷的时候形成.

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Unit 101 The Ozone Hole: Why over Antarctica?

臭氧空洞: 为什么出现在南极洲上空?

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Even the polar ozone hole.

南北极甚至出现了臭氧空洞.

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Why the ozone hole is only found in Antarctica?

为什麽臭氧破洞只在南极上空发现?

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Oh, oh, the Ozone hole is back!

糟了, 臭氧层的穿孔又出现了!

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For an ozone hole to form, proper weather conditions must also exist.

对一个臭氧空洞的形成来说, 必须存在适当的气象条件.

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This hole is over the Antarctic and is often referred to as the ozone hole.

这个空洞处于南极上空,常常称为臭氧空洞.

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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.

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This chart illustrates the function of the ozone layer.

这张图表说明了臭氧层的机能.

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Scientists and politicians worldwide are working to slow the destruction of the ozone layer.

全世界的科学家和政治家正在努力减缓臭氧层的破坏.

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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”.

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Healing Our World: Weekly Comment Can Life Survive Earth's Depleted Ozone Layer?

治疗我们的世界: 每周评论生命能够在地球耗竭的臭氧层底下存活 吗 ?

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The ozone layer is a protective layer around the planet Earth.

臭氧层是地球的保护层.

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In 1974, scientists first proposed the idea that manufactured chemicals could threaten the ozone layer.

在1974年, 科学家首次提出了工业化学物质可能威胁臭氧层的想法.

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The ozone layer blocks much of the sun's dangerous ultraviolet radiation.

臭氧屋阻挡了阳光中大量有害的紫外线辐射.

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The ozone layer protects the Earth from dangerous radiation from the sun.

臭氧层能保护地球免受来自太阳辐射的危险.

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