当厚厚的岩浆和气体大量在地表下聚集起来，就会出现爆炸性喷发，将熔岩，岩石和火山灰喷向空中。

When thick magma and large amounts of gas build up under the surface, eruptions can be explosive, expelling lava, rocks and ash into the air.

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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。

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.

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风化(weathering)作用：是指矿物、岩石在地表新的物理、化学条件下所产生的一切物理状态和化学成分的变化，是在大气及生物影响下岩石在原地发生的破坏作用。

Weathering means the physical and chemical change of minerals and rock under new physical and chemical condition. It is a change in original place affected by atmosphere and bioss.

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