Home/petrolenepetrolene/pe-truh-leen/US // ˈpɛ trəˌlin //汽油烯,汽油,石蜡,汽油机Definitionsn.名词 noun1: any of the constituents of a bitumen, as asphalt, that are soluble in pentane, hexane, or naphthalene.Level 3Browse all words →