reduce the effect of acid in a soil

例句：

1. 1.The amount of water used in the washing machine has been reduced by 20%.
   洗衣机使用的水量已经减少了20%。
2. 2.The cost of living has decreased significantly since the economy improved.
   自从经济好转以来，生活成本已经显著下降。
3. 3. The team's performance has been reduced due to fatigue.
   由于疲劳，团队的表现已经降低了。