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- The submarine bottomed to observe the ocean floor. 潜艇潜入海底观察洋底。
- The submarine bottomed on the ocean floor. 潜水艇停在洋底。
- 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。
- Sediment building up on the ocean floor. 海底积累的沉积物
- 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。
- A long, steep-sided valley on the ocean floor. 海沟一种海底狭长而两边陡峭的山谷
- The submarine bottomed on the ocean floor . 潜水艇停在洋底。
- A large, bowl-shaped depression in the surface of the land or ocean floor. 凹地，海盆在陆地或海底平面的一种大的，碗状的凹地
- 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。
- The ocean floor near the continents is abundant in mineral and oil deposits. 靠近大陆的海底矿藏和石油藏量丰富。
- Echo sounding devices were early used in making maps of the ocean floor. 讲的是回声定位仪器最早用于绘制海底地图。很容易找到对应的答案。
- Underwater photography is also important in mapping parts of the ocean floor. 水下摄影在绘制部分海床图时也是很重要的一个方法。
- The damaged ship leaned over and slowly settled own on the ocean floor. 这艘遭毁坏了的船倾斜了，并缓慢地沉到海底。
- An opening on the ocean floor that emits hot water and dissolved minerals. 大洋底部散发热水并溶解矿物质的一个开口
- About 235 miles (378 kilometers) east of Halifax, the ocean floor drops away. 在哈利法克斯省东边大约235英里（378公里），海底地形出现很大的坡度。
- Amphioxus body by the rapid movement and drilling holes in the ocean floor. 文昌鱼藉身体的迅速运动而在洋底钻洞。
- He assured Field that it was possible to lay a cable on the ocean floor. 他使菲尔德相信，有可能在海底铺设电缆。
- Wegener also noted differences between the continents and the ocean floor. 韦格纳还指出大陆和海床之间的区别。
- Plumes are hot enough to melt their way through the ocean floor or through a continent. 地幔羽的热量足以熔穿海底或大陆。
- If it is present, it could seep into the crust and escape through the ocean floor. 如果真的存在的话，那么，甲烷就可能渗出地壳，通过海底逸出。
