caldera
🇺🇸
/kælˈderə/
🇬🇧
/kælˈdeərə/
noun
R
A large bowl-shaped depression formed by the collapse of a volcano.
The caldera was formed thousands of years ago after a massive volcanic eruption.
这个火山口是在数千年前一次大规模火山爆发后形成的。
translation
火山口
词形变化
Plural
calderas