This is the 13525th most frequent Korean word.
러시아대사는
"Russian ambassador."
Here, '러시아대사는' is used as the subject noun phrase referring to 'The Russian ambassador' with the topic particle '은', indicating the subject of the sentence.
러시아대사는 공식 회의에 참석하고 있습니다.
The Russian ambassador is attending an official meeting.
In this sentence, '러시아대사는' serves as the subject and topic, focusing on the ambassador and their perspective.
러시아대사는 우리나라와의 외교 관계를 중요하게 생각합니다.
The Russian ambassador considers diplomatic relations with our country important.
This usage of '러시아대사는' introduces the ambassador as the topic of the statement about their future plans.