英语词汇“2015年前无法可持续获得安全饮水人口比例减半”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	2015年前无法可持续获得安全饮水人口比例减半
释义	2015年前无法可持续获得安全饮水人口比例减半 reduce by half the proportion of people without sustainable access to safe drinking water by 2015
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