chronic gas不停的放屁chronicadj.长期的；慢性的；惯常的chronic psychology disease慢性心理疾病chronic peridacryocystitis慢性泪囊周(围)炎chronic lowgrade infection慢性低度感染chronic glomerulonephritis慢性血管球性肾炎,慢性肾小球性肾炎Chronic motor tic disorder慢性运动性抽动障碍chronic diabetes insipidus慢性尿崩症Chronic B-virus carriers慢性乙肝病毒携带者chronic passive congestion慢性被动性充血, 慢性瘀血Chronic disease prevention慢性病防治Chronic lumbago-leg pain慢性腰腿痛