车次用英语怎么说

车次的英文：
1.train number

They're cutting train services and postal deliveries.
他们在减少火车车次和邮政投递班次。

the tail of a train
火车的尾部

explosive train
火药系

Is this dog trained?
这狗受过排便训练吗？

The train was in motion.
火车开动了。

This is a passenger train.
这是辆客运列车。