

Гусеница уже сплела себе кокон.
The caterpillar has already spun itself a cocoon.
Через две недели из кокона вылетела бабочка.
Two weeks later, a butterfly flew out of the cocoon.
Ты когда-нибудь видел, как бабочка выходит из кокона?
Have you ever seen a butterfly come out of its cocoon?
"кокон" 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.