单词 | coal |
释义 | coal1 of 2noun ˈkōl plural coals often attributive 1 : a piece of glowing carbon or charred wood : ember 2 : charcoal sense 1 3 a : a black or brownish-black solid combustible substance formed by the partial decomposition of vegetable matter without free access of air and under the influence of moisture and often increased pressure and temperature that is widely used as a natural fuel b coals plural, British : pieces or a quantity of the fuel broken up for burning coal 2 of 2verb coaled; coaling; coals transitive verb 1 : to burn to charcoal : char 2 : to supply with coal intransitive verb : to take in coal |
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