petroleum oil

例句：

1. 1.The petroleum industry is a major contributor to the economy.
   石油工业是经济的主要贡献者。
2. 2. Petroleum is a non-renewable resource that must be extracted from the ground.
   石油是一种非可再生资源，必须从地下提取。
3. 3. The petroleum industry has been responsible for many environmental issues in recent years.
   近年来，石油工业对许多环境问题负有责任。