The soldiers have started to drill for water.
士兵们已着手钻探水源。
We had to drill down 200 feet to find water.
我们得钻200英尺深才能找到水。
Drill pipes get rusty in air almost as fast as they do in water.
空气中生锈的速度和在水中几乎一样快。
This drill usually helps you get your hands in the water directly above your shoulders.
这个练习通常能够帮助你的手臂入水时，正好在肩以下。
We had to drill down 200 feet to find water.
我们只好往地下钻两百英尺找水。
We had to drill down 200 feet to find water.
我们只好往地下钻两百英尺找水。
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