海底的

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

能一口咽下比还大一只底动物并且调节变得扩大起来。

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

系统深深度测量揭示了与底扩张有关狭谷带、断裂带和沟结构。