We'll find other pools of oil that are exposed, some of which will be in mousse or asphalt, some of it in the form of liquid oil covered over with sand or sediment.

我们将找到那些显露出来的油污区域，他们有些在泡沫或者沥青中，有些程液体油状，被沙子和沉积物覆盖。

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Scientists think such inverted craters form when an impact basin fills with sediment and the material around that sediment gets eroded away.

科学家们认为，当撞击盆地被沉积物所填满，而沉积物周围的部分逐渐被侵蚀殆尽时，就会形成了类似这样的颠倒陨石坑。

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Water spills out of the Gulf of Mexico where their suspended sediment is deposited to form the Mississippi River Delta

从墨西哥湾冲出的水流携带的悬浮式泥沙沉淀到了密西西比河三角洲中。

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