名詞 eu-:

1. a bivalent and trivalent metallic element of the rare earth group
   同義詞：europium, Eu, atomic number 63
2. an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members
   同義詞：European Union, EU, European Community, EC, European Economic Community, EEC, Common Market, Europe

eu-
pref.（前綴）
Good; well; true:
好，好的；有益的；真正的：
例句：
euplastic.
適于組織形成的

A derivative of a specified substance:
一定物質的改良的衍生物：
例句：
eucaine.
優(yōu)加因

來源：
Middle English
中古英語
from Latin
源自 拉丁語
from Greek * see (e)su-
源自 希臘語 *參見 (e)su-