noun🔗Shareカルデラ、火口A large crater formed by collapse of the cone or edifice of a volcano."The caldera loomed over the town, a vast, empty space where the volcano used to stand. "カルデラは町を見下ろし、かつて火山が立っていた広大で空虚な空間だった。geologygeographynatureChat with AIVocabulary GamePractice Reading
