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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It is not possible to determine whether both continents are moving in opposite directions or whether one continent is stationary and the other is drifting away from it.

我们不可能确定是两个大陆在向相反的方向移动，还是一个大陆是静止的，而另一个大陆在漂移。

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The boxes were stationary, and the one containing food was always at the same point of the compass.

箱子是固定着的，装食物的箱子总是在罗盘的同一个点上。

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If a moving ball runs into another, stationary one head-on, it can come to a dead halt.

ECONOMIST: At least lunar gold-diggers will be able to take a shower

Many passengers were flung out the window when the speeding train ploughed into a stationary one in Soweto on Thursday evening.

BBC: South Africa driver fired over Soweto train crash

Both trains were on the same track, and one of them was stationary when the crash happened, said John Catoe, Metro general manager.

CNN: Six killed in Washington-area Metro train collision