音标：英 /pəˈtrəʊliəm/；美 /pəˈtroʊliəm/
基本释义：名词，指一种深褐色或黑色的粘稠液体矿物，主要由碳氢化合物组成，是从地下开采的天然资源，可提炼成汽油、柴油、润滑油等多种产品，是全球最重要的能源和化工原料之一。
词源：源自拉丁语“petra”（岩石）和“oleum”（油），字面意思为“岩石中的油”，16世纪末开始在英语中使用，特指从地下开采的原油。
Petroleum 为不可数名词，通常用于正式语境，指未经加工的原油（crude oil），而非成品油（如汽油、煤油等）。在日常英语中，"oil" 更为常用，但 "petroleum" 更强调其作为工业原料的属性。
动词搭配：extract petroleum（开采石油）、refine petroleum（提炼石油）、produce petroleum（生产石油）、import/export petroleum（进口/出口石油）
形容词搭配：crude petroleum（原油）、liquid petroleum（液态石油）、petroleum-based（石油基的）
介词搭配：deposits of petroleum（石油储量）、reserves of petroleum（石油储备）、products from petroleum（石油制品）
Petroleum is a finite resource that powers most of the world's transportation systems.
Saudi Arabia is one of the largest petroleum exporters globally.
The country's economy relies heavily on petroleum revenues.
Petroleum refining involves separating hydrocarbons into different products like gasoline and diesel.
Many plastics are derived from petroleum chemicals.
The petroleum industry has faced criticism for its environmental impact.
New technologies have made it possible to extract petroleum from shale rock.
Petroleum prices fluctuate based on global supply and demand.
The tanker transported 2 million barrels of petroleum across the ocean.
Scientists are researching alternatives to petroleum-based fuels to reduce carbon emissions.
Petroleum jelly：凡士林（石油提取物制成的软膏）
Petroleum engineering：石油工程（研究石油开采与加工的学科）
Petrochemical：石油化工产品（以石油为原料的化学物质）
Petroleum reserve：石油储备（已探明的可开采石油量）
As the backbone of modern industry, petroleum's role extends beyond energy—it shapes geopolitics, drives technological innovation, and influences climate policies worldwide. How might the global transition to renewable energy reshape the future of petroleum-dependent economies?