Eu
[化] 富集铀; 浓缩铀\\n[医] 铕(63号元素)
✅ 同义词
🗣️ 情景例句
Harry potter was a box office smash.
《哈里波特》赢得了相当可观的票房收入。
Bread is the staff of life.
民以食为天。
The question was, which one?
问题是，哪一种气体导致火灾呢？