A burst of light is seen by two observers: one stationary on a platform, the other moving in a train.

两个观察员看到了一束光的爆发：他们一个静止在平台上，还有一个在火车上移动。

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Once a gentleman was traveling in a train.

从前，一位绅士坐火车旅行。

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I couldn't bear to spend three hours sitting in a train every day.

我不能忍受每天在火车上坐三个小时。

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"The main character,Buck, he gets abducted and they send him off to the Yukon in a train.

VOA: special.2010.12.02

But suppose you are in a train and you're moving past me and you look at this piece of chalk.

但假如你在火车上,从我面前驶过,你看着这支粉笔

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For example, if you were in a crowded train, and another passenger is staring at you,

例如，你在一节拥挤的车厢里，有一个乘客老是盯着你，

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You can cover the 120-odd miles between London and Birmingham in a train in 84 minutes.

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Mr. Assefa lost his leg above the knee in a train accident early last year.

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You could never be sure, but some stranger might try to start up a conversation in a train.

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