benzopyrene

ben.zo.py.rene

n.（名词）
A yellow, crystalline, aromatic hydrocarbon, C20H 2, that is a carcinogen found in coal tar and cigarette smoke.
苯芘：一种黄色、结晶、芳香的碳氢化合物，C20H 2，是一种存在于煤焦油和烟雾中的致癌物