No-one knows why the train derailed.

没人知道火车为什么会脱轨〓。

柯林斯例句

The train derailed and plunged into the river.

火车脱轨栽进了河里〓。

《牛津高阶英汉双解词典》

The train was derailed.

火车脱轨了.

互联网

The streetcar was derailed.

电车脱轨了.

互联网

The train derailed and a number of passengers were pinned under the carriages.

火车出了轨,一些乘客被困在车厢下.

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