渐短

例句：

1. 1.The river is gradually shortening due to the construction of the dam.
   由于大坝的建设，河流逐渐变短。
2. 2.The population is gradually shortening as a result of the aging population.
   由于人口老龄化，人口逐渐减少。
3. 3. The company's profits are gradually shortening as competition intensifies.
   随着竞争的加剧，公司的利润率逐渐减少。