DC metro train

• 直流电动列车

DC metro train的用法和样例：

例句

1. Now some of you will scoff at a 150mph top speed, while others will scream and run, but let me remind you that the real strength with an electric drive train is the torque.
   现在，你们当中有些人会嘲笑在一百五英里每小时的最高速度，而另一些将尖叫和运行，但我要提醒你，真正的实力与电动列车是扭矩。