cannel coal
基本解释
[化] 长焰煤; 烛煤
英文释义
A kind of mineral coal of a black color, sufficiently
hard and solid to be cut and polished. It burns readily, with a clear,
yellow flame, and on this account has been used as a substitute for
candles.
上一个单词：cannel
下一个单词：cannelite