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
코아세르베이션은 물질이 서로 응집하는 현상입니다.koaseurebeisyeon-eun muljil-i seoro eungjibhan hyeonsang-imnida.Coacervation is a phenomenon where substances aggregate together.