

Осторожно, тут скользкий камень!
Careful, this stone is slippery!
Что это за камень?
What kind of stone is this?
Мальчик бросил камень в реку.
The boy threw a stone into the river.
"камень" is in the lesson "Nature" (Level 21), along with 11 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.