a colorless oily compound extracted from coal tar and used in manufacturing synthetic resins
同义词：coumarone, cumarone
benzofuran详细解释
ben.zo.fu.ran n.（名词）A colorless liquid, C8H 'O, found in coal tar and used to make thermoplastic resins for paints and varnishes. Also called coumarone 苯并呋喃，香豆酮：存在于烟煤油中的无色液体，C8H 'O，用于制造油漆和清漆的热塑树脂 也作 coumarone
