单词 | brown coal |
释义 | brown coalnoun Another term for lignite.The additional pressure and heat of the overburden gradually converts peat into another form of coal known as lignite or brown coal....
|
随便看 |
英语词典包含243303条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。