As the soil is shed, it drops down and forms a little hill of dirt, a mound.

随着土壤的流失，它会下降，形成一个尘土山，一个土丘。

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The central Kunming Lake covering 2.2 square kilometers was entirely man made and the excavated soil was used to build Longevity Hill.

昆明湖占地220公顷，多为人工湖，其挖掘出的土壤用于建造万寿山。

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When fires destroy all the vegetation on a hill or mountain, it can also weaken the organic material in the soil and prevent water from penetrating the soil.

当火毁坏了小山或大山的所有植被时，同样也损害了土壤中的有机物、阻止水渗入土壤。

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Already the Turquoise Hill, where the colour of the soil first betrayed the presence of copper to prospectors decades ago, has vanished.

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