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.
這個火山口是在數千年前一次大規模火山爆發後形成的。
translation
火山口
詞形變化
Plural
calderas