Demarcated
v. 定…的界线, 区分( demarcate的过去式和过去分词 )
✅ 同义词
🗣️ 情景例句
Sorry, but he is out at the moment.
抱歉，他现在出去了？
An empty purse frightens many friends.
曩中无分文，亲友不上门。
What on earth has happened to trouble you so?
到底发生什么事让您如此发愁？