allantoin

例句：

1. 1.The drug contains alantoin, which is used to treat urinary tract infections.
   这种药物含有阿洛宁，用于治疗尿路感染。
2. 2.Allantoin is a natural substance found in plants that can be used as a remedy for colds and flu.
   阿洛宁是一种自然存在于植物中的物质，可用于治疗感冒和流感。
3. 3. In the study, researchers discovered that allantoin could potentially prevent or treat certain types of cancer.
   在这项研究中，研究人员发现阿洛宁可能可以预防或治疗某些类型的癌症。