航站楼的英文是"terminal building"，来源于英语中的"terminal"，意为"终点"。例如：

The terminal building at this airport is very large and modern. 这个机场的航站楼非常大且现代化。

I need to go to the terminal building to check in for my flight. 我需要去航站楼检查我的航班。

The terminal building is where passengers go to catch their flights. 航站楼是乘客去搭乘飞机的地方。