When a volcano erupts, it throws out a lot of hot, melted rock called lava, as well as ash and steam. 喷发
verb [vi. 不及物动词] 喷发；爆发，突然发生；（感情）迸发；（斑疹等）突然冒出；长牙
Ash began to erupt from the crater. 火山灰开始从火山口喷出。
- erupt 出现在下面的课文中（提供视频、音频及笔记等可系统性学习）
- Lesson 67 Volcanoes erupt 动词: （火山）喷发
