酸过多

例句：

1. 1. The chemical reaction is a classic example of acid-base neutrality.
   这个化学反应是酸碱中和的经典例子。
2. 2. The acidic taste in the soup makes it hard to swallow.
   汤里的酸味让很难咽下去。
3. 3. Acids are used as preservatives in many foods.
   许多食物中使用了酸作为防腐剂。