Moontrack
卫星跟踪
🗣️ 情景例句
A credit card is very useful when you go traveling.
当然旅游的时候，信用卡很有用。
A good book is a best friend who never turns his back upon us.
一本好书，莫逆之交。
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。