uridin

例句：

1. 1. The patient's urinary output has significantly decreased since the medication was started.
   自从开始服用药物后，患者的尿量显著减少。
2. 2.The researcher discovered a new compound that contains uridin as its main component.
   研究者发现了一种含有尿嘧啶为主要成分的新化合物。
3. 3.Uridine is a naturally occurring compound found in plants and animals.
   尿嘧啶是一种自然存在于植物和动物中的化合物。