Cesium
n. 铯\\n[化] 铯Cs
✅ 同义词
🗣️ 情景例句
Good-bye.
再见。
Have a nice day.
祝您好。
It is no use inviting the politician or the professional or business man,
同样也是无益的，对于政界人士、专业技术人员、商人来说，