如果抽取地下热水而又不将其泵回，地表就会下沉。
The surface of the ground can sink if hot groundwater is withdrawn without being replaced.
只要控制棒能够控制反应，并且冷水可以被连续泵回反应器，那么反应堆就可以在一个安全的温度下一直运行。
The reactor will operate at a safe temperature as long as the control rods are able to control the chain reaction and cool water is pumped into the reactor continuously.
泳池的特殊设计让水体看起来如同延伸至视野的边际，但实际上，泳池的边缘被设计成在水平面之下的几厘米处，溢出的水会流到下方的一个集水池中，再被泵回泳池内。
Infinity pools are designed to make it seem as though the water extends to the horizon. In reality, the edge of the pool is usually about an inch below the water level.
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