相关单词近义词 anthracite 无烟煤, jet 喷气式飞机, fuel 燃料, coke 焦炭, culm 草秆, hard coal 硬煤, 无烟煤..., soft coal 烟煤, black diamonds 煤, ash 灰, soft 柔软的, diamonds 钻石, coal 煤, hard 硬的, black 黑的, char (使)烧成炭, ember 余烬（常用复数）...临近词coalition, coagulate, Coala, Coali, coaly, Coale, coaler, Coalla, coalip, coalgas, Coalton, coalbox 返回 coals