noun🔗Share烛煤，蜡烛煤。 A kind of mineral coal of a black colour, sufficiently hard and solid to be cut and polished, and formerly burned as a substitute for candles."In the old house, we found a box filled with cannel coal, which the previous owners used for light before electricity became common. "在这栋老房子里，我们发现一个盒子里装满了烛煤，以前的住户在电力普及之前用它来照明。geologymaterialsubstancefuelChat with AIVocabulary GamePractice Reading
