noun🔗Share끌채One of the two long pieces of wood, extending before a vehicle, between which a horse is hitched; a shaft."The farmer carefully attached the horse to the wagon's thills. "농부는 조심스럽게 말을 마차의 끌채에 연결했다.vehiclemachinepartChat with AIVocabulary GamePractice Reading
noun🔗Share석탄층 아래의 얇은 층The shallow stratum of underclay that lies under a seam of coal; the bottom of a coal-seam."The miners carefully scraped away the last of the coal seam, being cautious not to damage the soft thills underneath. "광부들은 아래에 있는 부드러운 석탄층을 손상시키지 않도록 조심하면서 석탄층의 마지막 부분을 조심스럽게 긁어냈다.geologymaterialsubstanceindustryChat with AIVocabulary GamePractice Reading
