求翻译：海是非常大的。它几乎涵盖了地球的四分之三。海是在一些地方也很深刻。有一个地方，在那个地方，海是深约11公里。在世界上最高的山峰，高约9公里。如果我们在那个地方入海，山，将上面的水仍然有2公里。是什么意思？

The sea is very large. It covers almost three-quarters of the Earth. The sea is deep in some places. There is a place, in that place, the sea is a depth of about 11 km. The highest mountain in the world, about 9 km. If we are in that place into the sea, the mountains, above the water is still two ki

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Sea is very large. It covers almost the three-fourths of the Earth. Sea is in some places is also very impressive. There is a place, in that place, the sea is 11 km deep. The highe