intermediate between peat and bituminous coal
同义词：lignite??/??brown coal
a carbonaceous material obtained by heating wood or other organic matter in the absence of air
同义词：charcoal
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。