Circumvallation
n. 围以城墙
✅ 同义词
🗣️ 情景例句
I need your help badly. My car can't start. Can you send somebody over?
我急需你们的帮助。我的车启动不了，能派人来修吗？
Yes, this is Shen speaking.
是的，我姓沈。
Thank you, sir.
谢谢，先生。