petiolarea

例句：

1. 1. The petroleum area is rich in oil resources.
   石油区域资源丰富。
2. 2. The petroleum industry plays a crucial role in the economy.
   石油工业在经济中扮演着关键角色。
3. 3. The petroleum reserves are expected to increase significantly in the coming years.
   预计在未来几年石油储备将显著增加。