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

Unit 101 The Ozone Hole: Why over Antarctica?

臭氧空洞: 为什么出现在南极洲上空?

Even the polar ozone hole.

南北极甚至出现了臭氧空洞.

Why the ozone hole is only found in Antarctica?

为什麽臭氧破洞只在南极上空发现?

Oh, oh, the Ozone hole is back!

糟了, 臭氧层的穿孔又出现了!

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.

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.

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.

This chart illustrates the function of the ozone layer.

这张图表说明了臭氧层的机能.

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.

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”.

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 ?

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

臭氧层是地球的保护层.

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.

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.

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.

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.

Please shut up! All that hot air is damaging the Ozone Layer.

您还是免开尊口吧! 所有热空气都会破坏臭氧层.

The hole in the ozone layer was discovered over Antarctica almost thirty years ago.

大约30年以前,南极上空的臭氧层上发现有空洞.

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

臭氧层保护地球免受危险辐射的阳光.

The ozone layer stratosphere. Ozone absorbs UV, causing the rising temperature with altitude in this layer.

臭氧层位于平流层中. 臭氧吸收UV, 促使今年的温度随海拔上升而不断升高.