subsidence basin

例句：

1. 1. The subsidence basin is a geological feature that occurs when the ground sinks beneath an area of land.
   沉降盆地是一种地质特征，当地面下沉覆盖在一片土地上时出现。
2. 2.The subsidence basin is an important site for studying the movement of tectonic plates.
   沉降盆地是研究板块运动的重要场所。
3. 3.The subsidence basin is formed by the slow sinking of the land below it.
   沉降盆地是由其下方陆地缓慢下沉形成的。