illness复数形式

　　例句：

　　Sarah had been plagued continually by a series of minor illnesses

　　萨拉一直小病缠身。

　　We now know that repressing anger is a contributory factor in many physical illnesses.

　　现在我们知道压制自己的愤怒是导致许多身体疾病的因素之一。

　　They are already battling to eradicate illnesses such as malaria and tetanus

　　他们已经在努力消灭疟疾、破伤风等疾病。

　　Accidents and sudden illnesses are no respecters of age.

　　不管什么年龄都有可能遭遇意外事故和突发疾病。