branched compound英 [brɑːntʃt ˈkɒmpaʊnd]美 [bræntʃt ˈkɑːmpaʊnd]网络 支链化合物机械双语例句Phosphoric acid, octyl ester branched, compound with diethanolamine;支链磷酸辛酯与二乙醇胺的化合物;