decrement field

例句：

1. 1. The population of the city has been decrementing steadily over the past decade.
   过去十年里，该城市的人口稳步减少。
2. 2. The company's profits have been decrementing due to increased competition.
   由于竞争加剧，该公司的利润一直在减少。
3. 3. The amount of water in the reservoir is decrementing daily.
   水库中的水量每天都在减少。