1. Angel or siren, rhythm, fragrance, light. ��ʹ�����������ɣ����㣬���ߡ�
2. Stress and rhythm are important in speaking English. ˵Ӣ��ʱ�������ͽ����Ǻ���Ҫ�ġ�
3. Recently detected the life the rhythm is such quick! �������˽���������������
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n.
1. the basic rhythmic unit in a piece of music
2. recurring at regular intervals
3. an interval during which a recurring sequence of events occurs
4. the arrangement of spoken words alternating stressed and unstressed elements
5. natural family planning in which ovulation is assumed to occur 14 days before the onset of a period