EU
📖 中文释义
- [化] 富集铀; 浓缩铀
- [医] 铕(63号元素)
🔗 释义中的汉语词
📘 English Definition（英文释义）
- n a bivalent and trivalent metallic element of the rare earth group
- n an international organization of European countries formed after World War II to reduce trade barriers and increase cooperation among its members