烟雾

例句：

1. 1.The factory is heavily polluted by the smoke from the nearby factories.
   这个工厂附近工厂的烟雾污染严重。
2. 2. He inhaled a few puffs of smoke before coughing it up.
   他吸了一口烟，然后咳嗽出来。
3. 3. The smoke from the fire was so thick that they couldn't see more than a few feet ahead.
   火苗冒出的烟雾太浓了，他们只能看到几英尺远。