anthracite smells

例句：

1. 1. The anthracite mine is located in the heart of the Appalachian Mountains.
   这个无烟煤矿位于阿巴拉契亚山脉的中心地带。
2. 2. The anthracite mine has been closed due to safety concerns.
   由于安全担忧，这个无烟煤矿已经关闭了。
3. 3. The anthracite mine is a major source of energy for the region.
   这个无烟煤矿是该地区的主要能源来源。