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张文魁老师最近每次上课都发现窗外一棵歪脖子树下系着一头大牯牛,那牛经常仰头哞叫,分散了学生的注意力,干扰了课堂的教
Teacher Zhang Wenkui recently discovered that every time he was in class, he found a big yak under a crippled tree in the window. The cow often raised his head and shouted, distracting the students’ attention and interfering with the teaching in the classroom.