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
그 여박사는 의학 연구에서 중요한 발견을 했다.geu yeobaksa-neun uihak yeongu-eseo jungyohan balgyeon-eul haetda.That female doctor made an important discovery in medical research.