基本解释酞酰胺同根派生 phthalamide相关词英汉例句poly-L-arginine phthalamide 聚-L-精氨酸酞酰胺poly-L-cystine phthalamide 聚-L-胱氨酸酞酰胺poly-L-lysine phthalamide 聚-L-赖氨酸酞酰胺phthalamide更多例句