disease
单词辨析：
指人类与动物的疾病或植物病害，多用于指具体的、感染所致的疾病。
contagious diseases
传染病
He suffered from a stomach disease.
他有胃病。
通常指抽象的疾病，多指身体不适的时间或状态，但不用来指感冒、头疼之类的小病。
You have to ask for leave if you take off work due to illness.
如果你因病没去上班，你得请假。
His grandfather is recovering from a short illness.
他祖父不久前生病，目前正在逐渐康复。
指身体某部位出现的健康问题。
He has trouble with his left shoulder.
他左侧肩膀有问题。
He suffers from back troubles.
他有背疾。
相关例句：
This disease is not contagious [ infectious].
这病不传染。
Symptoms of the disease include fever and weight loss.
这种疾病的症状包括发烧和体重减轻。
It would help to end illiteracy and disease, but it would also dislocate a traditional way of life
这将有助于消除文盲和疾病，但也会扰乱传统的生活方式。
It is the first drug that seems to have a very significant effect on this disease.
这是第一种似乎对该病有显著疗效的药物。
Not only cancer, but also heart and lung disease are influenced by smoking.
不仅是癌症，还有心脏病和肺部疾病也都会受吸烟影响。
A hundred years ago coronary heart disease was virtually unknown in Europe and America.
在100年前冠心病几乎不存在于欧洲和美洲。