现在这些地壳板块支撑着大陆和海洋。

Now these tectonic plates support the continents and oceans.

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这些火山没有一个是由于火星地壳板块之间的碰撞而形成的——火星上没有板块运动。

None of these volcanoes was formed as a result of collisions between plates of the Martian crust—there is no plate motion on Mars.

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随着时间的推移，地壳板块移动，同时也移动了大陆和海底。

Over time, the tectonic plates move and shift, which moves the continents and the ocean floors too.

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