n.木炭；炭笔
I threw a stick of charcoal in the fire. 我往火里扔了一根木炭。
We are well set up with charcoal for the winter. 我们准备好足够的木炭过冬。
I have been drawing since school days, using charcoal and carbon pencils. 上学的时候我就开始用炭笔和铅笔画画了。
