chronic slow in taking effect
He was suffering from chronic bronchitis.
他患有慢性支气管炎。
—— 给力词典精选They think his mother´s illness is acute rather than chronic.
他们认为他母亲的病是急性的,不是慢性的。
—— 给力词典精选He had a chronic cough.
他患了慢性咳嗽。
—— 给力词典精选Schistosomiasis, a chronic infection, is caused by three different worm species.
血吸虫病属慢性感染, 由三种不同虫种引起。
—— 辞典例句Chronic nonspecific ulcerative colitis is a disease with exacerbations and remissions.
慢性非特异性溃疡性结肠炎这种病可以恶化亦可缓解。
—— 辞典例句