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
재생작용은 생물체의 회복 능력을 의미합니다.jaesaengjagyeongeun saengmulcheui hoebok neungnyeogeul uimihaemnida.Regeneration refers to the ability of an organism to recover.