政府持有大量的外汇储备以稳定经济。

The government maintains substantial foreign currency ___reserves to stabilize the economy.

我在地下室存了一小批瓶装水以备急用。

I keep a small ___reserve of bottled water in the basement for emergencies.

科学家们对全球石油储备的迅速消耗感到担忧。

Scientists are concerned about the rapid depletion of global oil ___reserves.