... ozone layer depletion消耗臭氧层 ozone layer loss臭氧层损耗 ozone loss臭氧损耗 ...
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A large hole in the ozone layer was reported to have opened over the Arctic this spring, the first time ozone loss in the northern hemisphere has matched that in the southern.
据报道，今年春天北极上空的臭氧层出现一个大洞，这是首次在北半球出现的臭氧损耗和南半球不相上下。
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