1. If you focus the sun's rays on dry wood with a burning-glass, it will start burning. �������ȡ��ʹ̫�����߾۽��ڸ�ľͷ�ϣ�ľͷ�ͻ�ȼ��������
2. I should focus more. ��Ӧ�ü��и��ࡣ
3. We must focus on ourselves and respect the opponent. ���DZ��뼯��ע������ͬʱҪ���ض��֡�
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n.
1. the concentration of attention or energy on something
2. maximum clarity or distinctness of an image rendered by an optical system
3. maximum clarity or distinctness of an idea
4. a central point or locus of an infection in an organism
5. special emphasis attached to something
6. a point of convergence of light (or other radiation) or a point from which it diverges
7. a fixed reference point on the concave side of a conic section v.
1. direct one's attention on something
2. cause to converge on or toward a central point
3. bring into focus or alignment; to converge or cause to converge; of ideas or emotions
4. become focussed or come into focus
5. put (an image) into focus
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focus ����;
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FOCUS GROUP ������;
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focus on ������;
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�ɿ�Ӣ�� - 划词释义
