单词 | ozone hole |
释义 | ozone holenoun A region of marked thinning of the ozone layer in high latitudes, chiefly in winter, attributed to the chemical action of CFCs and other atmospheric pollutants. The resulting increase in ultraviolet light at ground level gives rise to an increased risk of skin cancer.As you can imagine, scientists are trying to learn the effects of the added ultraviolet radiation that the ozone hole allows to reach the ocean....
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