“类似物”用英语怎么说？

石墨甚至其线性类似物, 聚 ( 名聚-苯撑 ) 都是极难溶解的.Graphite and even its linear counterpart, poly ( p - phenylene ) are too insoluble.正和它们的低分子量的类似物一样,微量的酸或碱常能促进聚合物的水解.Hydrolysis of polymers if often catalyzed by traces of acids or bases.石墨...