de-, 不，非，使相反。-ple, 满的，词源同full, complete. 即把满的倒空，耗尽。

1. Surely it is an economic nonsense to deplete the world of natural resources.

耗尽世界的自然资源毋庸置疑是愚蠢的经济行为。

2. The contraceptive pill is the worst offender, but it is not the only drug to deplete the body's vitamin levels.

避孕药的危害最大，但是它并不是唯一一种消耗体内维生素的药物。

3. It will deplete its cash balance by repaying last week's loan.

它会因偿付它上周的借款而耗尽它的现金余额.

4. Elastic collisions deplete very little of the electron's energy.

弹性碰撞中电子减少的能量非常少.

5. Evapotranspiration may deplete the soil moisture and rob supplies of ground water.

蒸发蒸腾作用能消耗土壤水分,减少地下水的水量供应.