n.<化>醚;the ether 苍穹;苍天;太空;
英文例句/中文翻译：
1、
Study on Catalytic Synthesis of Ethyl Tert-Butyl Ether from Tert-Butyl Alcohol and Ethanol
利用乙醇和叔丁醇缩合制备EIBE的催化反应研究
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China and Germany should work together to promote trade liberalization amid rising protectionism, Chinese Premier Li Keqiang said when meeting German Chancellor Angela Merkel in Berlin on Wednesday.Li called for joint ef
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