2.I always replenish my food supply before it is depleted.
我总是在我的物吃完之前加以补充。
3.By the end of the winter the supply of grain was severely depleted.
冬季快要结束,粮贮备已经消得差不多了。
4.A tax advantage is also available to holders of most depletive assets—those which are used up, or depleted, over a period of time—like oil, natural gas, uranium, or coal.