由河床挖出的泥土勉强固定着岩石。
她可以看到高高的滑槽和一堆堆挖出的泥土和煤。
She could see the tall runway and the heap of earth and coal cast out.
利用开凿和装填的手段,把建造地下停车场时挖出的泥土用来作为景观中的小丘。
A cut and fill approach was used and the dirt removed for underground parking was used to make the mounds in the landscape.
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