This is the 3902nd most frequent Korean word.
연구위원은
"Research committee member."
The word '연구위원은' refers to the subject of the sentence, details the research position of the person performing the action of announcing.
연구위원은 새로운 과학적 발견을 발표했습니다.
The research fellow announced a new scientific discovery.
Here, '연구위원은' indicates the person responsibly preparing for the meeting, emphasizing their diligent preparations.
회의 시작 전에, 연구위원은 준비된 자료를 확인했습니다.
Before the start of the meeting, the research fellow reviewed the prepared materials.
In this sentence, '연구위원은' highlights the focused efforts of the research fellow in their professional tasks.