英语词汇“臭氧浓度”的释义、用法及例句翻译-英汉例句词典

词汇	臭氧浓度
例句	Press reports revealed that ozone levels in the upper atmosphere fell during the past month.新闻报道透露上层大气的臭氧浓度在上个月有所下降。Scientists have observed a drop in ozone levels over the Antarctic.科学家已经观察到南极洲上方的臭氧浓度下降了。
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