事件英语作文：火山喷发_优秀英语作文
作者：admin | 日期：2025-04-06
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.