On the first day, we took a balloon tour over the rock, and I was surprised at how big it was.

第一天，我们乘气球飞越了岩石，我惊讶于它是如此之大。

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The waterfall splashed over the rock.

瀑布飞溅着越过岩石。

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Chen said that warmer ocean waters may have triggered the melting by seeping under the ice sheet and making it slide more easily over the rock it rests on.

陈建力指出，海水变暖可能导致海水渗入冰盖下面，使冰盖上部更容易失去支撑而滑入水域，从而引发冰盖的消融。

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People come from all over the world to climb one of the huge rock formations at Yosemite.

VOA: special.2009.01.07

The rock formations there are the result of deposits made by ancient lakes and rivers over a period of about twenty million years.

VOA: special.2009.04.15

Mr Moratinos's visit was part of a new entente over the Rock.

ECONOMIST: An historic visit, but the same arguments over sovereignty

You all but drooled over the rock-solid picture.

ENGADGET: blogger-avatar

With remarkable accuracy, the pilots on the James Cook used an acoustic navigation system to "fly" the robot over the rock three miles (4.8km) down towards the oases of life thriving around the vents.

BBC: A deep sea mission of genuine exploration