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
면역능력이 강한 사람은 감염에 잘 걸리지 않는다.myeonyeokneungryeok-i ganghan saram-eun gamyeom-e jal geolliji anhneunda.A person with strong immunocompetence does not easily get infected.