Eu
[化] 富集铀; 浓缩铀\\n[医] 铕(63号元素)
✅ 同义词
🗣️ 情景例句
It has six words.
有六个字。
On the first day of the new year.
新年的第一天。
There is no social problem it is more incumbent upon us to understand than this of the role of custom.
而没有任何一个社会问题比得上风俗的作用问题更要求我们对它理解。