a piece of charcoal

• 一块木炭

a piece of charcoal的用法和样例：

例句

1. If you look at a water filter, you can usually detect small chunks of charcoal inside of them.
   如果你看净水器一眼，你通常会发现它们的内部通常会有一块木炭。
2. The smell of roasted chillis filled the air as the chef aroused the huge chunks of charcoal around in the fire.
   空气中弥漫着烤辣椒的味道，厨师正忙着将火里烧着的大块木炭铺开。