It sank to the bottom of the sea.

它沉到了海底。

The cylinder was lifted from the seabed in a sling.

圆筒用吊索吊离海底。

Many countries exploit oil under the sea.

许多国家在海底开采。

The ship ran into a shelf and sank to the bottom of the sea.

撞上了暗礁, 沉入了海底。

A new submarine cable was laid from England to Holland.

英国至荷兰间铺设了新的海底电缆。

First underseas telephone cable, England to France.

第一根海底电话电缆连接英国和法国。

"Cablegram" is a hybrid; half the word is Latin and half is Greek.

"海底电报"一词是混合“语”,半为拉丁语,半为希腊语。

The cable parted, and the minisub started to gather speed toward the bottom of the sea.

缆绳断了，艘微型潜艇迅速地沉向海底。

Walter shot off a cablegram.

沃尔特很快发了份海底电报。

A gulper eel can eat an animal larger than itself and accommodate it in an expandable stomach.

它能一口咽下比它还大的一只海底动物并且调节它的胃变得扩大起来。

Submarine temperature, pressure, gas compositions, geothermal gradient and syngenetic water salinity control the depth of hydrate zone basement.Autochthonous bacteriogenic mod...

海底温度和压力、地热梯度、分、同生水盐度等控制着水合物稳定带基底的深度和厚度。

It is barely ten since systematic deep ocean bathymetry revealed the structure of rifts, fractures and trenches associated with sea floor spreading.

系统的深海深度测量揭示了与海底扩张有关的狭谷带、断裂带和海沟的结构。

This includes mainly the technique of the sealoor topographic survey, the technique of the seafloor mophological survey and the technique of the sea subbottom profile survey etc.

它主要包括海底地形测绘技术、海底形貌观测技术、海底地层声学探测技术等。

Benthos The organisms that live on the bottom sediments of freshwater and marine ecosystems. They include plants and algae (phytobenthos) that grow below low tide mark.

底栖生物（海底生物）：在淡水或海洋生态系统底部生活的生物。包括一些水底的植物和藻类。

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，拖网渔年复一年来来往往地“辛勤”劳作，拖着巨大的渔网，刮破了海底，没有给动植物留下恢复的时间。