Oral communication is the most direct interaction of human speech, the most convenient way.
口语交际是人类言语交往中最直接、最便捷的方式。
Teaching effect of teacher-student interaction is often difficult to obtain direct teaching.
师生互动的教学效果往往是端直讲授难以获得的。
Teaching effect of teacher-student interaction is often difficult to obtain direct teaching.
师生互动的教学效果往往是端直讲授难以获得的。
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