This is the 19594th most frequent Korean word.
어린이
"어린이" means "child" or "children" in English.
In this sentence, '어린이' (children) is used as a plural subject to refer to a group of youngsters who are enjoying their time, highlighting a social setting.
어린이들은 놀이공원에서 즐겁게 놀고 있습니다.
Children are playing happily at the amusement park.
Here, '어린이' (child/children) is used to describe the intended audience of the book, emphasizing its suitability for a young demographic.
이 책은 어린이를 위한 좋은 교육 자료입니다.
This book is a good educational resource for children.
In this usage, '어린이' (children) appears in a more general and collective sense, stressing societal concern and care for young individuals.