闷烧

例句：

1. 1. The fire was burning fiercely, and the smoke was making us feel uncomfortable.
   火势猛烈地燃烧着，烟雾让我们感到不舒服。
2. 2. The coal in the furnace was burning, and it was hard to get a good temperature.
   炉中的煤正在燃烧，很难得到一个好温度。
3. 3. The fire was burning fiercely, and we had to stay away from it.
   火势猛烈地燃烧着，我们必须远离它。