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
나무의 피목은 공기와 수분을 흡수하는 데 도움을 줍니다.namuui pimogeun gonggiwa subun-eul heubsu-haneun de doum-eul jumida.The lenticels of the tree help absorb air and moisture.