noun🔗Share역청탄Bituminous coal."The power plant burned bituminous, producing electricity for the city. "발전소는 역청탄을 태워 도시에 전기를 생산했다.materialsubstancefuelgeologyChat with AIVocabulary GamePractice Reading
noun🔗Share역청탄A type or grade of bituminous coal."The factory used bituminous to fuel its power plant because it was a relatively inexpensive and energy-rich type of coal. "그 공장은 비교적 저렴하고 에너지 밀도가 높은 석탄 종류였기 때문에 발전소의 연료로 역청탄을 사용했습니다.fuelgeologymaterialsubstanceChat with AIVocabulary GamePractice Reading
adjective🔗Share역청의, 아스팔트의Of or pertaining to bitumen."The road crew was repairing the pavement with a hot, bituminous mixture of asphalt and gravel. "도로 보수반은 뜨거운 역청 혼합 아스팔트와 자갈로 포장 도로를 수리하고 있었다.materialsubstancegeologychemistryfuelChat with AIVocabulary GamePractice Reading
