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慢性阻塞性肺疾病(COPD)是一种具有气流受限特征的肺部疾病,气流受限不完全可逆,呈进行性发展。确切病因尚不十分清楚,但认为与肺部对有害气体或有害颗粒的异常炎性
Chronic Obstructive Pulmonary Disease (COPD) is a lung disease characterized by limited air flow, and airflow limitations are not fully reversible and progressive. The exact cause is not well understood, but is believed to be associated with abnormal lung inflammation of harmful gases or harmful particles