hwasanhak
volcanology
volcanologie
화산학은 화산의 형성과 활동을 연구하는 학문입니다.
Hwasanhak-eun hwasan-ui hyeongseong-gwa hwaldong-eul yeonguhaneun hakmun-imnida.
Volcanology is the study of the formation and activity of volcanoes.
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