smoky fog

例句：

1. 1. The citywas shrouded in asmoky fog on that day.
   那天，这座城市被一层烟雾笼罩。
2. 2. The smokey fog obscured the view of thedistant mountains.
   浓烟遮蔽了远处山脉的景色。
3. 3. The smoky fogmade it difficult for the pilot to seeclearly.
   浓烟使飞行员难以看清前方。