“我们发现室内臭氧被某种物质吞噬掉了”，Charles Weschler告诉《科学新闻》。
"We've known that the ozone indoors is being gobbled up," Charles Weschler told Science News.
这里所谓的“空洞”不是字面上含义，并不存在任何一处平流层完全没有臭氧，科学家们用空洞这一说法来描述这些臭氧浓度低于历史读数220多布森单位的区域。
The hole isn't literal; no part of the stratosphere is empty of ozone. But scientists use the hole metaphor to describe the area where ozone drops below a historical concentration of 220 Dobson Units.
科学家们相信灼伤是因为臭氧层变薄，致使紫外线辐射等级增加而引起的。
Scientists believe the sunburns are due to increasing levels of ultraviolet radiation resulting from the thinning ozone layer.
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