This is the 10310th most frequent Korean word.
교재
"교재" means "textbook" or "educational material."
In this sentence, '교재' signifies a specific learning resource aimed at aiding Korean language learners, highlighting its utility.
이 교재는 한국어 학습자들에게 매우 유용합니다.
This textbook is very useful for Korean language learners.
Here, '교재' is a general term for educational materials which emphasizes the importance of matching the materials to the learner's proficiency.
교재를 선택할 때 학습자의 수준을 고려하는 것이 중요합니다.
It is important to consider the learner's level when selecting educational materials.
The word '교재' is used here to refer to educational materials, specifically the textbook utilized for learning new concepts.