chronic pain慢性痛chronicadj.长期的；慢性的；惯常的chronic diseases of respiratory system慢性呼吸系统疾病chronic nonspecific ulcerative colitis慢性非特异性溃疡性结肠炎chronic intermittent juvenile jaundice慢性间歇性幼年性黄疸chronic non-specific low-back pain慢性非特异性下背痛chronic bronchitis in elderly patients老年慢性支气管炎Chronic Inflammation of Prostate Grand慢性前列腺炎Chronic ossifying alveolar periostitis慢性骨化性牙槽骨膜炎Chronic obstrustive pulamonary disease慢性阻塞性肺病Chronic obstructiove pulmonary disease慢性阻塞性肺疾病chronic environmental excessive iodine环境碘过量