acid-base homeostasis

例句：

1. 1. The body maintains a delicate balance of acid and base in the blood.
   身体在血液中维持着微妙的酸和碱的平衡。
2. 2. The doctor advised her to maintain a balanced diet to prevent acid-base imbalance.
   医生建议她保持均衡的饮食以避免酸碱失衡。
3. 3. During exercise, the body needs to maintain a balance between acids and bases.
   运动时，身体需要维持酸性和碱性之间的平衡。