inner speech meaning in English

内部言语
内在语言

Inner speech that is sent out to oneself is a speech activity while thinking
内部言语是一种对自己发出的言语，是思考时的言语活动。
The maneuvers of cultivating students " inner speech ability are : thinking . with phonation , quizzing by oneself , enhancing mathematical language training , enhancing mathematics reading and optimizing variety training
培养学生内部言语能力的具体策略有：出声思考、自我提问、加强数学语言训练、加强数学阅读、优化变式练习。