urina sanguinis

例句：

1. 1.He was found in the urina sanguinis with a knife in his hand.
   他在尿液中的血迹中发现，手中握着一把刀。
2. 2.The doctor ordered him to stay in bed and avoid urina sanguinis.
   医生让他卧床休息，避免尿液中的血迹。
3. 3.The patient's urine test showed traces of blood, indicating a possible kidney injury.
   患者的尿液检测显示有少量血迹，可能表明肾脏受伤。