hippuran

例句：

1. 1. The chemical was used to purify water in ancient times.
   这种化学物质在古代被用来净化水。
2. 2.The hippuric acid test is used to detect kidney stones.
   氢溴酸试验用于检测肾结石。
3. 3. The plant extract contains hippuric acid, which can be used as a natural remedy.
   这种植物提取物含有氢溴酸，可以作为天然疗法使用。