This causes the dense water from the Mediterranean to flow like a river along the seabed, carving a channel with Banks around 115 feet deep and 0.6 of a mile wide.
'The sea [bed] is not only deep but mountainous,' Arslanian said.
当地海床不仅非常深，而且崎岖多山。
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The scientists, based at the University of Leeds, used a robotic submarine to study for the first time a deep channel that had been found on the seabed.