关于火山喷发的英语作文

　　a volcano is an opening, or rupture, in a planet's surface or crust, which allows hot, molten rock, ash, and gases to escape from below the surface. volcanic activity involving the extrusion of rock tends to form mountains or features like mountains over a period of time.

推荐阅读：

　　广告(advertisements)

　　我还记得那个万圣节

　　2017年世界杯英语作文

　　生日快乐学生日记

　　有关朋友的英语作文

　　2020年12月英语四级作文范文