petroleum
/pəˈtroʊliəm/
a dark oil consisting mainly of hydrocarbons
中文释义:石油
Petroleum is a non-renewable resource that is essential for modern industry.
石油是一种不可再生资源,对现代工业至关重要。
Many countries rely heavily on petroleum exports to boost their economies.
许多国家严重依赖石油出口来促进经济。