This berg was observed to drift to and fro across Kane Basin for some weeks, at different times, grounding on the sea bed, on both the North and South sides.

科学家在几个星期的不同时间段，基于南北两侧海床，观察了这个冰山来回漂过凯恩海湾的情况。

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The force at work, called induced drift, happens in the sea, too.

该作用的力量，被称为诱导漂移，也发生在海洋中。

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They anchor themselves with their prehensile tails to sea grasses and corals, using their elongated snouts to suck in plankton and small crustaceans that drift by.

它们靠卷尾在海草或珊瑚上来固定自身，用细长的吻部吸入浮游生物和漂游的小甲虫类。

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One risk is that the mining operations could generate huge plumes of sediment that could drift through the sea - choking any marine life that feeds by ingesting water and filtering out its food sources.

BBC: UK Seabed Resources joins deep-ocean mineral-mining rush

Their shrieks of laughter drift to the shore on the sea air.

BBC: The perfect trip: New South Wales

Farming fish close to shore often causes contamination of water and seabeds, so the company has partnered with fish producers to devise a remotely-controlled fish pen that can drift with currents in the open sea.

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