柯林斯词典benzene ring 1. N the hexagonal ring of bonded carbon atoms in the benzene molecule or its derivatives 苯环 (Also called benzene nucleus)→see alsoKekulé formula 返回 benzene ring剑桥词典in chemistry , a connected ring of six carbon atoms , as found in a molecule of benzene （化学）苯环（苯分子中以六个碳原子构成的环状结构） 返回 benzene ring