sea bed

基本解释

That's because the Antarctic sea bed has a smalllip in it: it rises slowly up the continental shelf, then makes aslight dip before rising again to the shoreline.
因爲南極海牀有一個小小的裂縫，它會隨著大陸架緩慢增加，在再次上陞到海岸線時會輕微下沉。
Following the explosion and fire on the rig, the blow-out preventer on the sea bed should have automatically sealed the well, but it failed, resulting in the massive oil spill.
在油井發生爆炸以及油井起火後，海底上的防噴器本來應該自動將油井封住，但是未能做到這一點，導致大槼模的石油泄漏。
Researchers working in the Black Sea have found currents of water 350 times greater than the River Thames flowing along the sea bed, carving out channels much like a river on the land.
在黑海進行研究工作的科研人員發現了在海牀上奔湧的水流，它們的流量是泰晤士河的350倍，如同陸地上的河流一樣沖刷蝕刻出水道。

As well as presumed mineral riches under the sea bed, the sea lanes are a vital route for shipping.
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Ibama estimated that 2, 300 barrels of oil oozed out of the sea bed because of the Nov. 9 drilling accident.
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Some of the food, together with large amounts of ammonium-rich salmon excreta, drops through the cages on to the sea bed.
ECONOMIST: Pressure is mounting to do something about salmon farms