지표면 아래의 용암, 가스, 화산재 등이 지각의 틈을 통해 밖으로 분출되는 산 모양의 지형.
A mountain or hill formed around a vent in the earth's crust through which molten rock, ash, and steam are expelled.
예문:
"The ancient volcano has remained dormant for over a thousand years."
"Ash from the erupting volcano forced the cancellation of many flights."
언제든지 갑자기 터져 나올 수 있는 매우 강력하고 위험한 감정이나 사회적 상황.
A situation or feeling that is extremely intense and liable to burst out suddenly or violently.
예문:
"The city became a volcano of social unrest after the controversial trial."
"His calm exterior hid an emotional volcano that was ready to erupt."