v.减少；减小；降低

n.减少；降低

They are making further efforts to decrease military spending. 他们正在做进一步的努力来减少军费开支。

His interest in this subject gradually decreases. 他对这门学科的兴趣逐渐减退。

The government projected a tax decrease. 政府计划降低税收。

They tried to decrease the costs. 他们设法降低成本。

The new treatment led to a huge decrease in the number of deaths. 新的疗法使死亡率急剧减少。

v.减少；减小；降低

n.减少；降低

v.减少；减小；降低

n.减少；降低