They spend hours feeding on the ocean floor.

它们花几个小时在海底进食。

《柯林斯英汉双解大词典》

She got to work building something that could help solve the problem: a remote-operated vehicle, or ROV. Her ROV can move through water and find plastics on the ocean floor.

她开始着手构建一些装置来帮助解决这个问题：遥控潜水器。这个装置能够在水里移动，发现位于海底的塑料。

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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。

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He says current knowledge of life on the ocean floor is especially limited.

VOA: special.2009.01.13

The trench is an extremely deep hole on the floor of the Indian Ocean.

VOA: special.2009.03.17

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

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Installed on the ocean floor, tidal machines also handily dodge the aesthetic concerns posed by offshore wind turbines.

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When investigators located the floatplane wreckage on the ocean floor, beer cans were found near the passenger seats.

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