名詞 oil industry:

1. an industry that produces and delivers oil and oil products
   同義詞：refining industry, oil business

1. The oil industry is marked by an element of danger, hence the siting of refineries at a distance from population centres.
   石油工業(yè)的特征是它有一點點危險性，所以煉油廠的廠址總在遠(yuǎn)離人口集中的地方。