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. It exercised a strong influence towards goodwill between the two great English speaking peoples. ����¶�������Ӣ���ΰ������֮����Ѻ����Ʒ����˾����á�
2. Both walking and riding are good exercise. ���к��ﳵ���ǺܺõĶ�����
3. Both diet and exercise affect blood pressure. ��ʳ���˶�����Ѫѹ��Ӱ�졣
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n.
1. the activity of exerting your muscles in various ways to keep fit
2. the act of using
3. systematic training by multiple repetitions
4. a task performed or problem solved in order to develop skill or understanding
5. (usually plural) a ceremony that involves processions and speeches v.
1. put to use
2. carry out or practice; as of jobs and professions
3. give a workout to
4. do physical exercise
5. learn by repetition