Geometronics
地球测绘电子学
🗣️ 情景例句
Sit down. Sit down.
请坐。请坐吧。
We aren't happy with the present situation.
我们不满足于现状。
The captain learnt from the letter that the name of the lost ship was the Karen.
从这封信中船长了解到沉船船名是“卡伦”号。