petroleum reserves

例句：

1. 1. The country has a vast oil reserves that can last for decades.
   该国拥有丰富的石油储备，可以持续数十年。
2. 2.The discovery of new oil reserves has boosted the economy.
   新发现的石油储备促进了经济增长。
3. 3. The government is working on increasing the oil reserves to meet future energy needs.
   政府正在努力增加石油储备以满足未来的能源需求。