求翻译：对话操练。在课堂上，教师可以让学生几个人一组，对所学对话进行操练，以创造一个学生人人参与，个个开口的口语训练机会，让他们在没有任何心理压力的情况下，提高说英语的积极性和有效性。是什么意思？

Dialogue drills. In the classroom, teachers can enable students to several groups of practicing the dialogue learned to create a student everyone involved, the oral training opportunities all openings, so that they no psychological pressure to improve English-speaking enthusiasm and effectiveness.

Dialog exercise. In the classroom, teachers can give students several people in a group, the pre-school dialog exercises, in order to create one of the students, and everyone involved in the spoken word opening a training opportunity, so that they do not have any psychological pressure in the case o

Dialogue drill.In the classroom, the teacher may let a student several person group, to studies the dialogue to carry on the drill, creates a student everybody to participation, all opens the mouth the spoken language training opportunity, lets them in not in any pressure situation, enhances speaks

Dialogue exercises. In the classroom, teachers can provide students with groups of several, dialogue on the training, to creating one of the students of the right to participate in, all openings of spoken language training opportunities so that they are not under any psychological pressure, greater

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