coal 名词复数:coals 过去式:coaled 过去分词:coaled 现在进行时:coaling 词形变化: 动词过去式: coaled | 动词过去分词: coaled | 动词现在分词: coaling | 动词第三人称单数: coals | 词义辨析: 同义: n.煤, 煤块, 炭 anthracite hard coal soft coal culm jet black diamonds coke fuel 同义参见: ash1