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

随着时间的推移，地壳板块移动，同时也移动了大陆和海底。

youdao

You experience your Essence when you witness a beautiful sunset over the ocean... that feeling of being lost in the horizon as time stands still.

当你目睹美丽的日落缓缓消失在海平线上时，你也体验着与你的灵魂深触……一种似乎时空静止，自我消失于地平线上的感觉。

youdao

Just as the relentless movement of water in rivers and streams can smooth the jagged edges of rocks over time, ocean currents can smooth ice fragments into round shapes.

奔流不息的河水，随着时间流逝，能够将边缘锋利的石头打磨光滑，与此类似，洋流也可以将冰块的边缘打磨圆润。

youdao

He thought that this was evidence that the bottom of the ocean had been lifted up by powerful geological forces over long periods of time.

VOA: special.2009.02.25

Because of that, over time he realized that we were abusing the ocean, but people up there didn't know that because they had never seen what was underwater."

VOA: standard.2010.06.18

So we flew over the ocean, and with my mother and my grandmother and my sister, who at the time was two, we traveled around the country.

WHITEHOUSE: The White House