a bivalent and trivalent metallic element of the rare earth group
同义词:europium, Eu, atomic number 63
an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
同义词:European Union, EU, European Community, EC, European Economic Community, EEC, Common Market, Europe
eu-详细解释
eu-pref.(前缀)Good; well; true:好,好的;有益的;真正的:例句:euplastic.适于组织形成的 A derivative of a specified substance:一定物质的改良的衍生物:例句:eucaine.优加因 来源:Middle English 中古英语 from Latin 源自 拉丁语 from Greek * see (e)su- 源自 希腊语 *参见 (e)su-