1.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。
2.as I said previously the molten rock material is called magma if it is beneath the surface and called lava if it is on the surface.
比如我前面所说的那样，熔融岩石物质位于地表之下时称之为岩浆，位于地表时称其为熔岩。
3.The reservoir is under such pressure that it has forced tongues of molten rock up towards the surface, producing eruptions and earthquakes.
受板块压力影响，岩浆以岩舌的形式冲向地表，形成喷发和地震。
4.As the sides of the Ethiopian rift move apart, the gap between them is being plugged with molten rock, which then cools to form new land.
随着埃塞俄比亚裂谷的两岸不断远离，其间的裂缝不断地被岩浆填满。这些岩浆冷却后就形成了新的陆地。
5.Sometimes, however, the top layer of magma can cool, and form a hard crust over the rest of the molten rock.
然而，有时候顶部的岩浆冷却并形成一个坚硬的外壳覆盖了在其余岩浆的上面。
6.Rising molten rock flows out on the ocean floor and caps the fissures, trapping the water.
上升熔岩流到海底并堵住了裂隙，结果把海水封在里面。
7.It can be found from shallow ground to several miles below the surface, and even farther down to the extremely hot molten rock called magma.
它在接近地面的浅地表到地表下数英里处，甚至在更深层的被称为岩浆的酷热岩石中都能够被找到。
8.Yellowstone's giant volcanic crater has risen about 10 inches in the last decade, suggesting molten rock may be building up underneath.
黄石公园的巨大火山口在过去的十年里上升了10英寸，暗示熔融岩石可能正在下面堆积。
9.It is an appropriate name for rocks that have cooled and crystallized from hot, molten rock material called magma.
对于经由岩浆熔融物质冷却结晶的岩石来说，这个名称是很合适的。
10.The Chaiten volcano spewed hot ash, gas, and molten rock after being dormant for thousands of years.
在沙伊顿火山沉睡了几千年之后，喷出了大量热灰，气体和熔岩。