This is the 8200th most frequent Korean word.
jr
The word "jr" is not a Korean word or term; it seems to be a typo or not related to the Korean language.
Here, 'jr' is used as an abbreviation for 'junior,' describing the type of seminar being attended.
나는 jr 세미나에 참가했다.
I attended the junior seminar.
In this sentence, 'jr' again represents 'junior,' referring to the level or rank of tasks allocated.
이 회사는 직원들에게 jr 레벨의 업무를 맡기고 있다.
This company assigns junior-level tasks to its employees.
Here, 'jr' refers to 'junior,' indicating activities designed for junior students or participants.