地壳下方是一种称为岩浆的物质。

Below the Earth's crust is a substance called magma.

当岩浆通过地表喷发时称为熔岩。

When magma erupts through the earth's surface it is called lava.

当板块碰撞时，岩浆被挤到板块之间。

When the plates collide, magma is squeezed up between the plates.

岩浆积聚可能是火山即将喷发的警告信号。

Magma building up can be a warning sign that a volcano is getting ready to erupt.

冷却后的岩浆形成了新的岩石。

Cooled magma forms new rocks.

火山喷发时，岩浆会流出。

When a volcano erupts, magma flows out.

地球内部有大量的岩浆。

There is a lot of magma inside the Earth.

科学家研究岩浆的成分。

Scientists study the composition of magma.

岩浆室位于地下深处。

The magma chamber is located deep underground.

当岩浆冷却时，它形成火成岩。

When magma cools, it forms igneous rock.