This is the 13171st most frequent Korean word.
두비
"두비" does not have an established meaning in Korean. It may be a name, slang, or a non-standard term.
The term '두비' is used here as a proper noun, presumably the name of a puppy.
두비는 매우 귀여운 강아지입니다.
Doobi is a very cute puppy.
Once again, '두비' serves as the name of the puppy, playing the role of the noun in the sentence.
그녀가 두비를 부르면 뛰어옵니다.
When she calls Doobi, he runs over.
Here, '두비' continues to represent the puppy's name, emphasizing actions or attributes related to it.