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
흡인성은 물체가 액체를 흡수하는 능력을 나타냅니다.Heubinseong-eun mulchega aekche-reul heubsu-haneun neungryeog-eul natanabnida.Suction property indicates the ability of an object to absorb liquid.