

Смотри, в траве светится светлячок!
Look, there's a firefly glowing in the grass!
Вечером в лесу мы видели сотни светлячков.
In the evening, we saw hundreds of fireflies in the forest.
А в городе вообще бывают светлячки?
Are there even any fireflies in the city?
"светлячок" is in the lesson "Insects" (Level 16), along with 21 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.