汽车总站的英语表达是 Bus Terminal或 Bus Station。在描述时，也可以使用 "bus center" 这一和制英语词汇。在写作时，可以根据具体的语境选择合适的表达方式。例如：

1. At the bus terminal, passengers should queue up in an orderly manner to wait for the bus.

2. The bus terminal is a busy place where people come and go, often bustling with activity.

希望这些信息对你有所帮助。