None 蹒跚学步 围兜罩衣 头像 Baby girl with thin slightly curly hair wearing light denim overalls and purple shirt looks to her left into the darkness with a curious scared questioning and confused look on her face
A vertical image showing a human hand raised in a classroom setting. A female student is asking a question to a teacher, with other incidental people in the background. 提出的手 人类的手臂 人民 学生提问老师
