They have designed a system which pumps up water from nearly 1,000 feet below ground.

他们设计了一个能从地表以下1000英尺处抽水的系统。

《柯林斯英汉双解大词典》

Another way of countering drought is to have a limited amount of mass above ground and to have extensive root networks below ground.

对付干旱的另一种方法是在地面上种植特定数量的植物，并且确保地下有广大的根系网络。

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The cables are buried one metre below ground level.

电缆埋在地平面下一米深的地方。

《牛津词典》

The deepest part of the mine is nearly two thousand five hundred meters below ground.

VOA: special.2009.07.21

One of the biggest rooms below ground level is the kitchen.

VOA: special.2009.11.16

Later,we visit rooms below ground level.

VOA: special.2009.11.16

The gates which were used at the Copperhouses pool sluice were found below ground behind the Hayle Harbour Office.

BBC: Hayle to display its old sluice gates

The resulting environmental issues can be separated into below ground and above ground.

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Some parts of the fence are 17 feet high, with metal plates extending ten feet below ground to prevent tunnelling.

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