1. Energy breathing: Sit and relax. �������������²����ɡ�
2. Breathing is an automatic function of the body. �����������һ������ʶ�Ĺ��ܡ�
3. Results All patients had the history of breathing difficulty before tracheomalacia. �����������������ǰ���к������Ѳ�ʷ��
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n.
1. the bodily process of inhalation and exhalation; the process of taking in oxygen from inhaled air an
2. passing or able to pass air in and out of the lungs normally; sometimes used in combination