Trigdatum
三角测量基准; 三角测量数据
🗣️ 情景例句
Mr. Lu, everything is OK. Your booking is from today through Wendnsday. Single room.
陆先生，没问题的。您从今天订到星期三，单人房。
Certainly.
当然可以。
That was a pleasant surprise.
这是意想不能的好事。