

Утром на улице был густой туман.
There was a thick fog outside this morning.
Из-за тумана самолёт не может взлететь.
The plane can't take off because of the fog.
В таком тумане ничего не видно.
You can't see anything in such fog.
"туман" is in the lesson "Cold weather" (Level 13), along with 15 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.