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- ocean floor rocks 洋底岩石
- 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。
- This reversal process can be seen in the pale magnetic record, locked into rocks of the ocean floor and in some lava flows. 这个倒转过程能在古地磁记录中看到,这些记录被锁定在海底的岩石里和一些熔岩流中。
- 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
- This reversal process can be seen in the pale magnetic record,locked into rocks of the ocean floor and in some lava flows. 这个倒转过程能在古地磁记录中看到,这些记录被锁定在海底的岩石里和一些熔岩流中。
- Rising molten rock flows out on the ocean floor and caps the fissures, trapping the water. 上升熔岩流到海底并堵住了裂隙,结果把海水封在里面。
- Mister Wegener said the lighter continental rock floated up through the heavier basalt rock of the ocean floor. 韦格纳认为,密度小的陆地岩石是从密度大的海床岩石中浮出来的。
- 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。
- These vents form above cracks in volcanic areas of the ocean floor through which seawater seeps, there to be heated by hot, sometimes molten rock. 这些热液通道,位于海底火山区裂隙上部,由于海水渗透下去,然后被灼热或熔融的岩石加热。
- 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