It was a deep pool under a high canopy of leaves.

那个潭很深，在它的高处是一大片树林。

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Beside the stream is a still deep pool of crystal clear water.

在小溪的旁边有一个平静深沉的池塘，里面充满了清澈的水。

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This provides a deep pool of manpower in the event of a national emergency.

如果出现全国紧急状态，上述做法就为人力提供了坚实基础。

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Because that pool may be average of 10 inches, but maybe it has places that are 20 feet deep, if it's a large pool.

由于该池平均10英寸深，或许它某些区域有20英尺深，如果它是一个大水池的话。

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