They often keep their young on ice floes to avoid the crush of the jostling walrus crowds on land.

它们常常把小海象留在浮冰上，以避免陆地上拥挤海象群的碰撞。

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It's why a camera artifact might look like a base station on Mars, or ice floes look like crashed UFOs to some folks.

这就是为什么有些人会把相机等人工制品看作可能是火星上的基站，或把冰川看作坠毁的飞碟。

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Their desperate journey over the floes must surely rank as one of the most miserable and arduous polar slogs ever attempted.

他们在浮冰上的绝望旅程，肯定是史上最为悲惨和艰巨的极地跋涉之一。

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As the Hunter and the Kaiko Maru negotiated the floes, they smashed into each other.

NEWYORKER: Neptune��s Navy

Forced to abandon ship, Shackleton and his crew were set adrift on the floes.

ECONOMIST: Antarctic exploration

The strait is the exit route from the Arctic Ocean, a current carrying the floes south into the Atlantic.

BBC: The 'big melt' at the roof of the world