273　disease和illness

1　disease 为医学用语，表示患的某种“疾病”，传染上的某种“疾病”。

She caught a serious disease . 她染上了一种重病。

The man is suffering from a rare disease . 那人患了一种罕见的疾病。

2　illness 是由disease 引起的身体不适的状态或时期。

Several children are away from school because of illness . 几名学生因患病而没有来校上课。

Illness is an excuse for being absent from work. 生病是不上班的理由。

Mental illness is often hard to cure. 思想上的病通常难治。