开始练习的英文怎么说

开始练习的英文：
go into training

They start to practise.
他们开始练习

Many busy executives have begun to practice yoga and meditation.
许多忙碌的主管开始练习瑜伽和冥想。

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。