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 local limestone is so porous that all the rainwater immediately sinks below ground.

当地的石灰岩如此多孔以致所有的雨水很快渗到地下。

《柯林斯英汉双解大词典》

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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