She sifted the sand out from the rice.

她把大米中的砂子筛选掉。

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Until just recently, most of us thought the sand had come from an ancient mountain range fairly close by that flattened out over time.

直到最近，我们大多数人都以为这些沙子来自附近的一个古老山脉，它随着时间的推移逐渐变得平坦。

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Sand DAMS, which are constructed out of concrete barriers 1-5m high and backfilled with sand, were voted as the best idea from five different proposals.

用混凝土护栏建造的1至5米高且用沙回填而成的砂坝从5个不同方案中脱颖而出，被选为最佳方案。

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The six-kilometres finger of sand juts out into the Humber Estuary from the Holderness coast.

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He came out weakly from the sand on the 15th and had to make a 6-footer to escape with bogey.

NPR: Haas Shoots 64 To Take Lead At Riviera

To get at deeper deposits engineers inject steam via pipes to heat the bitumen and separate it from the sand so it can be sucked out.

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