释义 |
coalcoal /koʊl/ ●●● W3 noun ETYMOLOGYcoalOrigin: Old English col 1 [uncountable] earth science a black mineral that is dug from the earth and burned for heat: coal miners2[countable usually plural] a small piece of something such as wood or CHARCOAL that is glowing because it is burning or has been burned: Grill the steaks over medium-hot coals for 5–7 minutes on each side. [Origin: Old English col] → see also rake somebody over the coals at rake2 (4) |