two asian chinese girls elementary school students reading book in classroom library together - 發育前兒童 個照片及圖片檔課室, 兒童, 童年
elementary school junior high girl student sitting at desk in classroom with hands on her face in frustration sadness anxiety worried - 發育前兒童 個照片及圖片檔考試, 焦慮, 學校建築
kid reading book for learning, education and language development, literature or story knowledge. biracial girl or child with library books or textbook for creative mind, storytelling and studying - 發育前兒童 個照片及圖片檔兒童, 學生, 童年
cheerful pediatrician talking with girl sitting by mother on examination table in hospital - 發育前兒童 個照片及圖片檔醫生, 兒童, 說話