Demarkation
n. (=demarcation)定界, 分界
✅ 同义词
🗣️ 情景例句
Really, Mr. Marchetta?
真的吗，Marchetta先生？
He's a manager.
他是个经理。
It suddenly occurred to one of the workers to open up the box.
突然一个工人想到打开箱子看看。