英语词汇ozone concentration是什么意思，ozone concentration的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	ozone concentration
释义	DEFINITIVE EXAMPLES 权威例句〔concentration〕Global ozone concentrations have dropped over the last decade.过去的十年里, 全球臭氧密度降低了。外研社新世纪〔concentration〕The latest data showed that global ozone concentrations had dropped several per cent over the last decade.最新数据显示，过去10年来全球臭氧的浓度降低了几个百分点。柯林斯高阶
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