柯林斯詞典styrene /?sta?ri?n/ 1. N a colourless oily volatile flammable water-insoluble liquid made from ethylene and benzene. It is an unsaturated compound and readily polymerizes: used in making synthetic plastics and rubbers. Formula: C6H5CH:CH2 苯乙烯→see also polystyrene 返回 styrene