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1·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》

2·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。

3·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》

4·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》

5·Merian noted how the ants took the leaves below ground to their young.

梅里安注意到了蚂蚁是如何把地下的树叶带到它们的后代那里的。

6·Thanks to a hot spring almost 40m below ground, the temperature of the lake never dips below 23C.

得益于地下40米深处的温泉，即使在冬天，湖水的温度也从未低于23摄氏度。

7·Roots grow below ground.

根生长在地下。

8·The science library is below ground!

科学图书馆在地下！

9·A shoot originating form below ground.

从地下长出的枝条。

10·The system has been designed to operate above or below ground.

该系统被设计成在地面或地下运行。