blue urine

例句：

1. 1. He noticed that his urine was unusually blue.
   他注意到他的尿液异常地呈蓝色。
2. 2. The doctor suspected that the patient might have blue urine due to an underlying medical condition.
   医生怀疑病人可能由于潜在的医疗状况而出现蓝尿。
3. 3.Blue urine is a sign of dehydration, and it's important to drink plenty of water if you notice it.
   蓝尿是脱水的迹象，如果你注意到它，重要的是要多喝水。