求翻译：传统的课堂教学一直由教师为中心，学生被动接受信息，课堂气氛缺乏活力。而互动式教学模式则以学生为中心，起主导作用。是什么意思？

Traditional classroom teaching has been run by teacher-centered , students passively receive information, lack of vitality classroom atmosphere .

traditional classroom teaching has been by the teachers at the center, students passively accept information, classroom atmosphere lacks vitality. The interactive mode of teaching, student-centerd, and play a leading role.

The traditional classroom instruction always by the teacher is the center, the student accepts the information passively, the classroom atmosphere deficient vigor.But interacts the type educational model take the student as the center, gets up the leading role.

By teacher-centered traditional classroom instruction, students passively receiving information, classroom atmosphere lacked vigor. While interactive teaching mode of student-centered, play a leading role.

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