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
교접의 관계는 두 개체가 서로 연결되는 방식을 설명합니다.gyojeob-ui gwangye-neun du gaeche-ga seoro yeongyeoldoeneun bangsigeul seolmyeonghamnida.The copulative relationship describes how two entities are connected.