noun 下载 🔗分享 共聚物 A polymer derived from more than one species of monomer. Examples : "The plastic used for milk jugs is a copolymer, made from ethylene and other similar molecules to give it strength and flexibility. " 牛奶壶所用的塑料是一种共聚物,它由乙烯和其他类似的分子聚合而成,使其具有强度和柔韧性。 chemistry material substance science compound 与AI对话词汇游戏阅读练习