This is the 9277th most frequent Korean word.
검정교과서
"검정교과서" means "government-approved textbook" in Korean.
Here, '검정교과서' refers to a textbook that has been reviewed and approved by educational authorities or a government body.
검정교과서는 국가에서 인정받은 책입니다.
The approved textbook is a government-sanctioned book.
In this context, '검정교과서' conveys the role of an officially approved textbook as a fundamental educational material for students.
학생들은 검정교과서를 사용하여 수업을 듣습니다.
Students use the approved textbook during lectures.
This usage of '검정교과서' emphasizes its compatibility with educational standards and curriculum requirements.