noun🔗Share갱내 가스, 메탄An inflammable gas (mostly methane) found in coal mines; forms an explosive mixture with air."The old coal mine was sealed off due to the constant danger of firedamp explosions. "오래된 탄광은 갱내 가스 폭발의 지속적인 위험 때문에 폐쇄되었다.substancematerialgeologyenergychemistryenvironmentdisasterfuelindustryChat with AIVocabulary GamePractice Reading
