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
계란의 합점은 흰자와 노른자 사이에 위치해 있습니다.gyeran-ui hapjeom-eun huinja-wa noreunja sai-e wichihae issseubnida.The chalaza of the egg is located between the egg white and the yolk.