ㄏㄟhēiㄊㄢˋtàn

  1. 火成岩接觸焦化石炭黑色松脂光澤燃燒焦炭煤氣石炭柏油原料

coal, charcoal, (of skin)​ darkly pigmented, charcoal (color)​, bituminous coal (mining)​
charbon, pigmentation foncée, charbon bitumineux