海底钻井平台将寻找石油的区域延伸到了海洋大陆架——大陆边缘那些平缓倾斜的海底区域。

Offshore drilling platforms extend the search for oil to the ocean's continental shelves—those gently sloping submarine regions at the edges of the continents.

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倾斜平屋顶的边缘延伸超过建筑的占地面积，天花板上的窗户将光线投射到内部的条纹墙上。

Edges of the tilted flat roof extend beyond the building's footprint, and Windows in the ceiling cast light onto the striated walls inside.

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在大多数地方，大陆的边缘慢慢地微微地向下倾倾斜进海洋，然后陡然坠向海底。

In most places, the edges of the continents slope gently downward into the oceans before making a sharper drop to the ocean floor.

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