drill ���ؽ�����ϵͳ�ģ��ϸ���ظ�����ϰ�� exercise ��ҪָΪǿ׳���Ƕ����еĶ�����Ҳ��ָ������ϰ�Ա����Ѿ���õļ��ɡ� practice ָ����ѧ�����ۻ�֪ʶ����ʵ���Ի�ü����뼼�ɡ� training ��ͨ�ôʣ���ָΪ����ij��ְҵ�����е���������������ѵ���� discipline �ȿ�ָѵ���ֿ�ָΪ�ﵽij�������̶ȶ����е�Լ����
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1. Practice is the key to any skill . ʵ����ȡ���κμ��ܵ�Ҫ����
2. Do you ever practice conversations with friends? ��������һ����ϰ���Ự��
3. I think our listeners better practice this one outside at first. ���������Ϊ���ǵ������ǻ���õ�ʵ�������
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n.
1. a customary way of operation or behavior
2. systematic training by multiple repetitions
3. translating an idea into action
4. the exercise of a profession
5. knowledge of how something is usually done v.
1. learn by repetition
2. avail oneself to
3. carry out or practice; as of jobs and professions
4. engage in a rehearsal (of)