Eruv
（城市中犹太人可不受安息日约束的）开戒界域
🗣️ 情景例句
This is Susan with Jiaotong University student. May I have your name, sir?
我是交通大学的在校生苏珊，请问您贵姓？
How much is this carpet per square yard?
地毯每平方码要多少钱？
This is Mr Green's room.
这是格林先生的房间。