a cave-in is the sudden collapse of the roof of a cave or mine

listen to the pronunciation of a cave-in is the sudden collapse of the roof of a cave or mine
Английский Язык - Английский Язык

Определение a cave-in is the sudden collapse of the roof of a cave or mine в Английский Язык Английский Язык словарь

A cave-in is the sudden collapse of the roof of a cave or mine
cave-in