pyrite dust

例句：

1. 1. The mine was filled with a fine layer of pyrite dust.
   矿井里充满了一层细密的黄铁矿尘。
2. 2. The miners worked tirelessly to remove the pyrite dust from the air.
   矿工们努力不懈地从空气中清除黄铁矿尘。
3. 3. The pyrite dust settled on the ground, making it difficult to walk.
   黄铁矿尘落在地面上，使得行走变得困难。