They spend hours feeding on the ocean floor.
它们花几个小时在海底进食。
The ocean floor would kind of slide under the edge of the continent.
海洋底部在某种程度上会滑到大陆边缘之下。
Low water levels make it easy for them to search the ocean floor.
这里的水位较低，使得它们可以很轻松地在海底觅食。
Recent ocean floor data confirm the first part of this slow process.
近来洋底资料证实了这一缓慢过程的第一部分。
We really do know more about the surface of the moon than the total ocean floor.
看来，我们对月球表面的了解确实要比对海底地貌的了解要多得多啊。
It must come from the ocean floor.
它肯定是从海底来的。
The submarine bottomed on the ocean floor.
潜水艇停在洋底。
That the ocean floor is not flat is a known fact.
洋底不是平坦的是一个已知的事实。
The base of an island began to form on the ocean floor.
一个岛屿的基底便开始在洋底形成。
The damaged ship leaned over and slowly settled down on the ocean floor.
被毁坏的轮船开始倾斜，然后慢慢地沉入海底。
The damaged ship leaned over and slowly settled down on the ocean floor.
这艘遭毁坏了的船倾斜了，并缓慢地沉到海底。
The damaged ship leaned over and slowly settled down on the ocean floor .
这艘损坏的船倾斜起来，慢慢沉到大洋底。
Underwater photography is also important in mapping parts of the ocean floor.
摄影在绘制部分海床图时也是很重要的一个方法。
Oceanographers use the same principles to explore the ocean floor and the land under it.
海洋学家利用同样的原理去勘探海底及其下面的地面。
Oceanographers use the same principles to explore the ocean floor and the land under it.
海洋学家利用同样的原理去勘探海底及其下面的地面。
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