renal threshold

例句：

1. 1. The kidneys play a crucial role in maintaining blood pressure and fluid balance.
   肾脏在维持血压和液体平衡方面起着至关重要的作用。
2. 2. The renal threshold for potassium is typically around 4.5 mmol/L.
   钾的肾阈值通常约为4.5毫摩尔/升。
3. 3. Diabetes can lead to elevated levels of glucose in the blood, which may exceed the renal threshold for glucose.
   糖尿病可能导致血液中葡萄糖水平升高，超过肾对葡萄糖的阈值。