a kidney infection的用法和样例：
- You'd better see a kidney specialist.
- Such a kidney is non-functional and a source for ongoing infection.
- A kidney also takes urea and mineral salts out of the blood.
- Instead, they were told that Tessa had a kidney stone.
- Clinical go up to often see such case, once kidney infection gets controlling, uremic symptom often can be reduced, those who say for reversible element.