정의: A toddler is a child approximately 1 to 3 years old, though definitions vary. The toddler years are a time of great cognitive, emotional and social development. The word is derived from "toddle", which means to walk unsteadily, as children at this age do.
| 핵심 연구 분야 | Analysis |
|---|---|
| 주요 연도 | 2021년 |
| 주요 연관 키워드 | software |
| 좋아요 수 | 0 |