No. 17,170 in Korean
서른
Thirty.
In a sentence
저는 서른 살입니다.
I am thirty years old.
In this sentence, '서른' is used to denote the age of 30, showcasing its use as a cardinal number representing an age.
서른 개의 사과를 샀어요.
I bought thirty apples.
Here, '서른' quantifies the number of apples, meaning 30, emphasizing its function as a numeral for counting objects.
서른 번째 생일을 축하합니다.
Happy thirtieth birthday.
In this sentence, '서른' is combined with '번째' to form an ordinal number, indicating the thirtieth iteration of an event, a birthday in this case.
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