赵浴宏迎着料峭的寒风，我从教学楼来到对面的平房，给五年级上美术课。轻轻推开教室的门，我的目光习惯性地从前排扫到后排，又从后排扫到前排。学生们都像往常一样，静静地等着我上课。忽然间，我隐隐地感觉有一种不同寻常的微妙变化，却又一下子说不清楚。该讲的内容讲... Zhao Yuhong met the cold wind of the material, and I came to the opposite bungalow from the school building to give art classes in the fifth grade. Gently pushing the door of the classroom, my eyes were habitually swept from the front to the back, and from the back to the front. The students are waiting for me in class as usual. Suddenly, I faintly feel that there is an unusual and subtle change, but I can’t tell clearly. The content of the lecture speaks...