n.沉淀；下沉；陷沒

The supply of sediment is insufficient to offset the rate of subsidence. 沉積物的補給不足以抵償沉降的速率。

The railway line was closed because of subsidence. 這條鐵路因土地下陷而停止運營。

Mining subsidence affects ecological environment of minefield. 采煤塌陷,嚴重破壞了礦區(qū)的生態(tài)環(huán)境。

Many basins were formed by the subsidence of the earth's crust. 許多盆地都是因地殼陷落而形成的。