尽管从这里向上移动是可能的，但顶部可能就在拐角处。

Although an upside move is possible from here, it might be the case that the top is just around the corner.

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一些山脉是由于这些板块相互碰撞，迫使板块边缘的岩石向上移动而形成的。

Some mountains were formed as a result of these plates crashing into each other and forcing up the rock at the plate margins.

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它们将缓慢向上移动到距离地球30公里的太空边缘。

They will move slowly upwards right to the side of space, 30 km away from the Earth.

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And so what happens when we remove these stops is that the piston slams up against the next pair of stops.

把挡板移开后活塞会,向上移动直道第二个挡板处。

麻省理工公开课 - 热力学与动力学课程节选

So we remove the stops, and the piston moves up, and now we remove one of these weights.

我们移走挡板，活塞向上移动，移走一个重物。

麻省理工公开课 - 热力学与动力学课程节选

Figure out how you can make it move a little to the left, a little to the right, up and down and then repeat in some kind of looping structure.

就是找出办法让它向左移动一小步，向右移动一小步，向上一小步，向下一小步,像这样不断重复。

哈佛公开课 - 计算机科学课程节选