Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
모충은 나비가 되기 전에 변태 과정을 거칩니다.Mochung-eun nabi-ga doegi jeon-e byeontae gwajeong-eul geochimnida.The caterpillar undergoes a metamorphosis before becoming a butterfly.