seab

The cylinder was lifted from the seabed in a sling.

圆筒用吊索吊离底。

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

牠们沿底爬行，用胡子般的触须探测，寻埋在底下的管状软体物。

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，拖网渔船年复年来来往往地“辛勤”劳作，拖着巨大的渔网，刮破了底，没有植物留下恢复的时间。