Can you imagine a sea of sand three times bigger than India?

你能想象一个比印度大三倍的沙海吗？

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Then the last sign of civilization disappeared, and we found ourselves in a sea of sand.

然后，最后的文明迹象消失了，我们来到了浩瀚的沙海中。

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Perhaps, through this sea of sand, our ancestors trekked from the Great Rift Valley and into our lives.

也许，我们的祖先从大裂谷出发，通过艰难跋涉，穿越这茫茫沙海才来到了世界各地。

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Instead,you should use sand from rivers or from other areas of land that are not near the sea.

VOA: special.2009.09.14

This sea wall is built right into the hills of sand that make up the coast.

VOA: special.2009.06.01

As we head out over the desert the view is a spectacular shimmering sea of sand as far as the eye can see.

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The fairways are bracketed with heather, and then with gorse, so that at the right time of year when everything is blooming, the course becomes a sea of green, purple and yellow that is compounded by the sea, the sand, and some of the most incredible sunsets anyplace.

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Gulls swoop off the sides of the winding path, down the sheer drop to the white sand and turquoise sea hundreds of feet below.

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