disease的用法與可數(shù)性

1. 表示疾病的總稱(chēng)，為不可數(shù)名詞。如：

Flies spread disease. 蒼蠅能傳播疾病。

Disease is usually caused by germs. 疾病多由病菌引起。

War and disease had thinned the population. 戰(zhàn)爭(zhēng)和疾病已使人口減少。

2. 用于身體部分連用，表示相應(yīng)的病，通常不可數(shù)。如：

Some alcoholics develop liver disease. 有些酗酒者會(huì)得肝病。

Smoking is the prime cause of lung disease. 抽煙是得肺病的主要原因。

Tension is a major cause of heart disease. 精神緊張是引起心臟病的主要原因。

但有時(shí)也可連用不定冠詞。如：

She has caught a lung disease. 她染上了肺部疾病。

She got a rare liver disease when she was only twenty. 他年僅20歲時(shí)就患上了一種罕見(jiàn)的肝病。

3. 表示某種疾病，為可數(shù)名詞。如：

Cancer is a deadly disease. 癌癥是一種致命的疾病。

Many cattle ape suffering from a disease called BSE. 許多牛得了瘋牛病。

Why does man have more diseases than animals? 人類(lèi)的疾病為什么比動(dòng)物的多?

4. 有關(guān)“疾病”的表達(dá)習(xí)慣：

你生了什么病?

正：What’s your trouble?

誤：What’s your disease?

假期中他害了一場(chǎng)大病。

正：While on holiday he caught a serious disease.

誤：While on holiday he caught a big (heavy) disease.