最新 petroleum的用法总结大全 n. 石油; 用作名词(n.) They refined crude oil into various petroleum products. 他们将原油提炼成各种石油产品。 1. Petroleum engineers plan and manage the extraction of oil. 石油工程师规划并管理石油的提炼。 2. The purpose of oil refinery... 2025-10-25 16