But higher ocean temperatures cause icebergs and ice shelves to melt, which raises sea level.

但较高的海洋温度会造成冰山和冰架融化，这引起了海平面上升。

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But he added that they could round up even bigger icebergs that could lead to a greater harvest and bring the price down.

不过他们补充说他们可以圈住更大的冰山，这样就能有更大的收获，同时还能将成本降下来。

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Humans may have spent thousands of years trying to master the art of the perfect sculpture, but these incredible photographs of icebergs show they are no match for nature's grand design.

掌握一门完美的雕刻技艺人类需要花上几千年的时间，但以下一组冰山的图片证明了——即便再花上几千年，我们这些渺小的生物也完全不是自然造化的对手。

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But these giant breakaway icebergs may in fact be signaling the continent's meltdown.

CNN: Antarctica: On thin ice

Icebergs may be free, but they are a long way from the customers.

FORBES: It's The Tap Of The Iceberg

But unusually high tides in January 1912 meant the icebergs didn't get stuck.

CNN: The sun, the moon and the Titanic