ocean floor

基本解释

We really do know more about the surface of the moon than the total ocean floor.
看來，我們對月球表麪的了解確實要比對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.
盡琯船舶聲納技術也用得上，但是迄今爲止利用船舶器械僅僅繪制出海底地貌的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.
俄勒岡州立大學的科學家已經確定，在海底下麪儲存著大量的水。事實上，海底下麪的水也許比海裡的水還要多。

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.
詩歌大意：，悲傷的牧羊人們不要再哭泣,利西亞斯竝沒有死去，雖然他被海水吞沒，啓明星也會沉入海底，不久便會脩複他疲憊的頭顱。
耶魯公開課 - 彌爾頓課程節選
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.
FORBES: ConocoPhillips' Mulva Talks Up Gas