seabed

1.The cylinder was lifted from the seabed in a sling.

用吊索吊离海底。

2.They creep along the seabed, their whiskery vibrissae probing the surface to feel for the tubes of buried mollusks.

牠沿海底爬行，用胡子须探测海床，搜寻埋在底下管状软体动物。

3.In the Gulf of Mexico, trawlers ply back and forth year in year out, hauling vast nets that scarify the seabed and allow no time for plant and animal life to recover.

在墨西哥湾，拖网渔船年复一年来来往往地“辛勤”劳作，拖着巨大渔网，刮破了海底，没有给动植物留下恢复时间。