The volcano vomited flames and molten rock.

火山喷出火焰和岩石。

As the molten rock reaches the crust, it quickly cools and hardens.

熔岩到达地壳时，迅速冷却、硬化。

Sometimes magma reaches the surface through volcanoes. Then the molten rock is called lava.

当岩浆通过火山口溢出地表时, 便可称这种熔融的岩石为熔岩.

The Hawaiian island chain has been built up by similar flows of molten rock over millions of years.

夏威夷的列岛已经建造了类似的流动的熔岩在数百万年之久。

We think-but we are not sure-that the moon has a center core which includes molten rock, as the earth does.

我们预料，但是我们不能确定，月球有一个由熔岩构成的地核，如同地球。

On Earth, andesites typically form when descending tectonic plates mix water into subterranean molten rock.

在地球上, 安山岩通常是板块的下沉使水混入地下熔融的岩石而形成.

Similar flows of molten rock have built up the Hawaiian islands over the course of more than 70 million years.

在7000多万年时间内，类似的熔岩流造就了一座座夏威夷岛屿。

The unique park has a 40-mile-long slush of molten rock and crystal under the nation's first national park.

黄石国家公园地下有60多公里长的熔融岩石和水晶泥。

As the plates spread apart, the lithosphere, or crust, is moved aside like a lid, allowing molten rock from the liquid asthenosphere to seep through.

板块分离时，岩石圈或地壳象盖子般移到一旁，液态软流层中的熔岩渗溢而出。

Renewed fears of an eruption came as vast quantities of magma - the molten rock from just under the earth's crust - began bubbling into the sea off the port of La Restinga.

在拉斯汀加港沿海，由于大量的岩浆——就在地表下的熔融的岩石——开始冒出来，引起了新的恐惧。