沉降

例句：

1. 1. The water level is gradually sinking due to the heavy rain.
   由于大雨，水位正逐渐下降。
2. 2. The earth is slowly settling under the weight of the mountain.
   山的重量使大地慢慢下沉。
3. 3. The city is experiencing a period of economic slump, leading to a significant decline in its economy.
   城市正经历一段经济萧条期，导致其经济显著下滑。