专心是学习知识的前提和保证。如果上课分心就无法专心学习理解老师的讲课内容,这是学习的最大障碍之一。我们说的分心,就是在听课时注意力被别的事情所吸引,离开了听课的内容。生活中,很多孩子之所以无法取得好成 Concentration is the premise and guarantee of learning knowledge. If the class distractions can not concentrate on learning to understand the teacher’s lectures, this is one of the biggest obstacles to learning. The distraction we are talking about is that the attentiveness is drawn to other things during the lesson and leaves the content of the lesson. Many children in life, unable to achieve success