ocean floor

基本解释

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。
Ship-based sonar would help, but ship-based instruments have mapped only about 10 percent of the ocean floor so far.
尽管船舶声纳技术也用得上，但是迄今为止利用船舶器械仅仅绘制出海底地貌的10%。
Scientists at Oregon State University have identified vast reservoirs of water beneath the ocean floor. In fact, there may be more water under the oceans than in them.
俄勒冈州立大学的科学家已经确定，在海底下面储存着大量的水。事实上，海底下面的水也许比海里的水还要多。

Its titan piers grip ocean floor, Its great steel arms link shore with shore, Its towers pierce the sky.
Weep no more, woeful Shepherds weep no more For Lycidas your sorrow is not dead, Sunk though he be beneath the wat'ry floor, So sinks the day-star in the Ocean bed, And yet anon repairs his drooping head.
诗歌大意：，悲伤的牧羊人们不要再哭泣,利西亚斯并没有死去，虽然他被海水吞没，启明星也会沉入海底，不久便会修复他疲惫的头颅。
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In time,they said, the moving ocean floor is blocked when it comes up against the edge of a continent.

"Up to 700, 000 tcf of methane hydrates lie beneath the ocean floor and the Arctic, " Mulva said.
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