Study on New Ways to Solve the Problem Between Economic Development and Lack of Fresh Water Resource--Regarding Huangdao Dist. Qingdao City as the example是什么意思_Study on New Ways to Solve the Problem Between Economic Development and Lack of Fresh Water Resource--Regarding Huangdao Dist. Qingdao City as the example在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句