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
Are they open?
店开着吗？
Would you mind closing the window for me?
能帮我关一下窗户吗？（你介意关下窗户吗？）
Excuse me, are you from England?
对不起，问一下，你是英国人吗？