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火山爆发是地热或地球内能释放的强烈显示．地球内部的地热积累到一定程度，灼热的岩浆在强大的内压力作用下，就会从地壳薄弱地带，喷出地表，形成景象壮观的火山爆发．火山喷出的物质一般有气体、熔岩和固体喷发物．但是世界之大，无奇不有，有少数火山喷发出的竟是冰块。水?
2. A volcanic eruption is a strong manifestation of geothermal or intra-ocean release. Earth’s internal geothermal heat accumulates to a certain extent. Under the influence of strong internal pressure, the burning magma will blew out from the weak zone of the earth’s crust and form a spectacular volcanic eruption. Volcanoes typically emit gas, lava, and solids. However, the world is big and there are no wonders. There are a few volcanoes that emit ice. water?