telegraphicstage
telegraphicstage-telegraphiclanguage
telegraphicspeech电报式言语holophrase婴儿的单词语sensorimotorstage感觉运动阶段preoperationalstage前运思阶段又称“前运算阶段”concreteoperationalstage具体运思阶段又称“具体运算阶段”f
日期 2023-12-22 阅 56 telegraphicstage
1