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
양서는 물과 육지에서 모두 살 수 있는 동물입니다.yangseoneun mulgwa yukjieseo modu sal su itneun dongmulimnida.An amphibian is an animal that can live both in water and on land.