sulfonephthalein

例句：

1. 1. The patient's urinetest showed a high level of sulfonephthalein, indicatingthe presence of a urinarytract infection.
   患者的尿液检测显示磺胺苯甲酸水平高，表明存在尿路感染。
2. 2. Sulfonephthalein is commonly used in drugtesting to detect the presence of certaindrugs in the body.
   磺胺苯甲酸在药物测试中常用于检测体内某些药物的存在。
3. 3. In some cases,sulfonephthaleinmay be used as an alternative to antibiotics for treating bacterial infections.
   在某些情况下，磺胺苯甲酸可以作为抗生素的替代品来治疗细菌感染。