“疾病”disease,illness,sickness的区别

 　　1、disease 泛指各种原因已查明的急性或慢性疾病，又可指传染病，甚至动植物的各种病害，概念十分广泛。如：an acute disease 急性病/ a chronic disease 慢性病/plant diseases 植物病害/ His suffering is caused by the wound and not by the disease. 他的痛苦是由创伤而非疾病所引起的。/ The ultimate causes of cancer and other diseases are still unknown. 癌症与其他某些疾病的根本原因始终不明。

用于医学上表示各种病称时，通常用disease。如：

contagious diseases 传染病

English disease 气管炎

heart disease 心脏病

lung disease 肺病

a nervous disease 神经病

a sex disease 性病

skin disease 皮肤病等等

注：有个别搭配也用illness。如：

mental illness [sickness] 精神病

2、illness 泛指疾病，极为普通常用，多指慢性病，或身体的极度虚弱等，但不影响日常的活动。它有时可与disease 交替使用。如：There has been a lot of illness in the family recently. 最近以来这家人常生病。/ An illness that caused him little difficulty in his youth beganto take its toll as he reached middle age. 有种病在他年轻时影响并不大，但等他到了中年，却成了他的负担。

3、illness 和sickness 常可通用，它们主要用于表示生病的时间或因病(disease)导致的不健康状态等。sickness多指“患病；疾病，不适；恶心”

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