He has changed his dry village into a place rich in ground water by planting trees on nearby land for the last 19 years.

在过去的19年里，他通过在附近的土地上植树，把干旱的村庄变成了地下水丰富的地方。

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peas and beans in ground coffee;

豌豆和豆类用于现磨咖啡；

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Scientists in China, Russia, and the United States measure radon in ground water.

中国、俄罗斯和美国的科学家测量地下水的氡含量。

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Also,Bolivar traveled and battled extensively, in Peru and other mountainous areas where arsenic is a common mineral found in ground water.

VOA: standard.2010.06.09

But it is interesting. Let's just, for an order of magnitude say what happens for ground state electron in atomic hydrogen?

但行星模型其实挺有趣的，按照重要的先后顺序，我们来猜想一下,氢原子中的基态电子会发生些什么？

麻省理工公开课 - 固态化学导论课程节选

But it had rows of seats like that, usually made over a hill or dug into the ground in some way.

但是观众席的结构很相似，通常建在山坡上或挖入地下。

耶鲁公开课 - 新约课程节选

Changes in ground conditions will be tweeted, as well as general advice on walking in the mountains.

BBC: Twitter service launched for Snowdonia walkers

In ground-based images, the patch of sky (just one-tenth the diameter of the full Moon) is largely empty.

BBC: NEWS | Science/Nature | Hubble sees the faintest galaxies

Indeed, they had an understanding that each would lie under oath (explained more fully in Ground VI below).

CNN: There is Substantial and Credible Information that