hard wood charcoal

例句：

1. 1. The hard woodcharcoal is perfect forgrilling steaks.
   硬木炭非常适合烤牛排。
2. 2. The charcoal is hardand can be used to clean the kitchen.
   炭很硬，可以用来清洁厨房。
3. 3. The hardwood charcoal is a popular choicefor outdoor barbecues.
   硬木炭是户外烧烤的热门选择。