Health care workers will also help patients with pulmonary function and how to exercise effective coughing.

医护人员还会指导患者如何锻炼肺功能和有效咳嗽。

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Health care workers will also help patients with pulmonary function and how to exercise effective coughing.

医护人员还会指导患者如何锻炼肺功能和有效咳嗽。

youdao