noun 下载 🔗分享 无烟煤 A form of carbonized ancient plants; the hardest and cleanest-burning of all the coals. Examples : "The old furnace burned anthracite to heat the house during the cold winter months. " 这台老式炉子在寒冷的冬季燃烧无烟煤来供暖。 material substance geology fuel 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 无烟煤色，深灰色. A dark grey colour. Examples : "The charcoal drawing was rendered entirely in shades of anthracite. " 这幅炭笔画完全用无烟煤色调来表现。 color 与AI对话词汇游戏阅读练习
