They spend hours feeding on the ocean floor.

它们花几个小时在海底进食。

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The ocean floor would kind of slide under the edge of the continent.

海洋底部在某种程度上会滑到大陆边缘之下。

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It all began in 1977 with the exploration of hydrothermal vents on the ocean floor.

一切始于1977年的一次海底上深海热泉的探索。

youdao

Its titan piers grip ocean floor, Its great steel arms link shore with shore, Its towers pierce the sky.

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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.

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Then she dropped a 50lb weight overboard to hold the line to the ocean floor.

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This dissolves carbon dioxide and hides it away on the ocean floor as calcium carbonate.

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

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