大家在查： Kvitova 一千两百八十万胡斯尼・穆巴拉克 •略 MarioLebrato Dmitrievich JK-D assulta 克拉克· 德江

railroad trains

railroad trains

railroad trains

railroad trains

1

And it was around the same time that people began to do athletic training that locomotive or railroad trains were first called trains.

人们训练运动员（training ）和第一次把火车头及铁轨上跑的车叫做 train ，大约是在同一个时期。

2

Before the invention of the air brake , railroad trains crashed frequently, like this wreck on the Maine Central near Bangor in 1871 .

在空气制动器发明之前，火车一直发生出轨事故，就像图中的这辆火车，它于 1871年在靠近班格尔的缅因州市中心发生事故。

4

When the two railroad trains crashed each other, the cars were telescoped .

当两辆火车撞在一起，车厢套叠著。

5

Railroad trains run on tracks .

火车在轨道上行驶。

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