事件英语作文：火山喷发

　　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：

　　经典阅读：最后一课TheLastClass

　　2016年中考英语作文指导与训练四：常考典型句子

　　2020考研英语作文必备句型（精编）

　　2020中考英语作文写作指导汇总

　　推荐信前后稿比较

　　大学生逃课现象英语作文汇集