高速列车的英文：
a bullet train

bullet是什么意思：
n. 子弹；解雇通知

We peppered them with bullets.
我们向他们猛烈射击。

The gunman sprayed the building with bullets.
持枪歹徒向那座房子扫射。

Every Bullet has its Billet
生死有命,富贵在天

The bullet punctured the skull.
子弹穿透了头骨。

A bullet lodged in his thigh.
子弹打进他的大腿里。

train是什么意思：
n. 火车；行列；顺序；后果；裙裾
v. 训练，锻炼，培养；修剪；瞄准；拖曳；乘火车

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。