seabed

n.海底；海床

Earth movements in the past elevated great area of the seabed. 地球过去的运动使海底大片地区隆起。

The usual way to reclaim land is to pile sand rock on to the seabed. 通常的方法去开垦陆地是在海床上堆起沙石。

Divers need fine control over their buoyancy so that they don't kick the seabed. 潜水员需要很好的控制他们的浮力,以防撞击到海床上。