urine

例句：

1. 1. He was taken to the hospital for further examination of his urine sample.
   他被送往医院，对他的尿样进行进一步检查。
2. 2. The doctor advised him to drink more water and avoid eating too much meat, which could cause urine to become cloudy.
   医生建议他多喝水，少吃肉，以免尿液变浑浊。
3. 3. Urine tests are often used to screen for kidney problems.
   尿液测试常用于筛查肾脏问题。