

В пруду сидит зелёная лягушка.
There's a green frog sitting in the pond.
Ой, мама, смотри, лягушка!
Oh, Mom, look, a frog!
Это не жаба, это лягушка.
It's not a toad, it's a frog.
"лягушка" is in the lesson "Wild animals" (Level 11), along with 13 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.