Europium
n. 铕\\n[化] 铕
✅ 同义词
🗣️ 情景例句
Good day also to you.
再见！
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
and that is one of the things the young are busily engaged in seeking.
这正是年轻人所热衷追求的。