The frozen ground will have to be picked up by hand before machine digging can begin.

这冻土必须挖过后才能用掘土机掘土.

《简明英汉词典》

In the heat the frozen ground begin to s frequently.

冰冻的地面受热后开端融化.

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In the heat the frozen ground began to soften.

冰冻的地面受热后开始融化.

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That sends the frozen ground - swell under it.

它使墙底下的冻土膨胀隆起.

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That sends the frozen - ground - swell under it.

它让墙底的土壤冻结膨胀.

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The frozen ground was difficult to dig.

冻土不好挖.

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The frozen ground was hard as stone.

冰冻的土地像石头一样坚硬.

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Thrawing frozen ground is the key to alluvial gold mining in Permafrost horizon.

多年冻土砂金矿的开采,解冻是关健.

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