This is the 16709th most frequent Korean word.
사전이
"사전이" means "dictionary" in English.
In this sentence, '사전이' means 'a dictionary,' the subject of the sentence, marked with the subject particle 이.
나는 사전이 필요해요.
I need a dictionary.
Here, '사전이' refers to 'a dictionary,' indicating its existence and location, also marked with the subject marker 이.
책상 위에 사전이 있습니다.
There is a dictionary on the desk.
In this sentence, '사전이' specifies 'this dictionary,' highlighted with the subject particle 이, emphasizing its usefulness.