Sea cucumbers are strange animals living at the bottom of the sea.

海参是生活在海底的奇怪动物。

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They are profitable institutions whose bottom line is much more important than the condition of the animals.

它们是营利性机构，其最终盈亏比动物的状况要重要得多。

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It is an uncontrollable mystery "on the bestial floor" : on the floor, on the bottom, on the ground, where the animals dwell.

这是个不可控制的神话，发生在兽性的地面上：，在地上，最低处，地面上，那儿是动物栖息的地方。

youdao

It is an uncontrollable mystery "on the bestial floor": on the floor, on the bottom, on the ground, where the animals dwell.

这是个不可控制的神话,发生在兽性的地面上：,在地上，最低处，地面上，那儿是动物栖息的地方。

耶鲁公开课 - 现代诗歌课程节选

Since cesium binds to the sediment on the ocean floor, the radiation has likely had the biggest effect on bottom-dwelling fish and other animals though the consequences still aren't clear, said Tatsuo Aono, a specialist at Japan's National Institute of Radiological Sciences.

WSJ: In Japan, Relief at Radiation's Low Toll

He said that some whales appeared to guard the bottom of this "bait ball", preventing the prey from sinking to unreachable depths, while other animals in the group took advantage of the centre of the ball.

BBC: Sperm whale groups 'may corral deep squid'