It was a progressive disease and he would suffer more and more.

病情逐渐加剧,他将忍受越来越大的痛苦.

《简明英汉词典》

It is not a progressive disease and affected dogs normally only have mildly impaired vision.

这不是一种会显著加重病情的疾病,病犬通常只是轻微的视力减弱.

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Atherosclerosis is a slow, progressive disease that may start as early as childhood.

动脉粥样硬化是一种缓慢的渐进的病,它可能早在儿童期就已经开始.

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HIV is a progressive disease which the immune response ultimately fails to control.

获得性免疫缺乏综合症是一种不断发展的疾病,到最后免疫反应无法得到控制.

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