suffer from scorbutus
scorbutus 是不可数名词，前面一般不加冠词，多见于医学或历史文献。
Sailors on long voyages often suffered from scorbutus.
长途航行的水手常常患上坏血病。
坏血病
坏血病
The disease scurvy.
Sailors in the past often suffered from scorbutus due to lack of fresh fruits.
过去的水手经常因为缺乏新鲜水果而患上坏血病。
用法提示：scorbutus作为名词，指一种疾病（坏血病）。
The doctor diagnosed the patient with scorbutus after noticing bleeding gums.
医生注意到牙龈出血后诊断病人患有坏血病。
用法提示：scorbutus在句中作介词宾语，表示疾病名称。
During long sea voyages, scorbutus was a common threat to crews.
在漫长的航海旅行中，坏血病是对船员们的常见威胁。
用法提示：scorbutus作为主语，指坏血病这种疾病。
scorbutus 是不可数名词，前面一般不加冠词，多见于医学或历史文献。
Sailors on long voyages often suffered from scorbutus.
长途航行的水手常常患上坏血病。
表示“一例”时用 a case of，而不是直接给 scorbutus 加复数。
The doctor described a severe case of scorbutus.
医生描述了一例严重的坏血病。
被动结构中与 diagnose 搭配，用于正式或临床叙述。
He was diagnosed with scorbutus after months at sea.
在海上漂泊数月后，他被诊断出坏血病。
scorbutus 作动词宾语时不带冠词，属正式用语。
Early physicians struggled to treat scorbutus.
早期的医生难以治疗坏血病。
grammar · medium
易错句子The sailors developed a scorbutus on the long voyage.
正确表达The sailors developed scorbutus on the long voyage.
scorbutus 是不可数名词，指一种疾病，和 measles、scurvy 一样不加不定冠词 a；汉语说“得了坏血病”时没有冠词，容易误加。
grammar · medium
易错句子The doctor said the patient was scorbutus.
正确表达The doctor said the patient had scorbutus.
scorbutus 只是名词，不能作形容词充当表语；表示“患坏血病”要用 have/develop scorbutus 这类动词结构，其形容词形式是 scorbutic。
grammar · medium
易错句子Many sailors suffered scorbutus in the 18th century.
正确表达Many sailors suffered from scorbutus in the 18th century.
suffer 表示“患病”时是不及物动词，必须借助介词 from 再接疾病名称；汉语“患坏血病”不含介词，学习者常把 from 漏掉。
scorbutus 是名词，指坏血病这一疾病本身；scorbutic 是形容词，只表示“与坏血病有关的”或“患坏血病的”，用来修饰症状、体质等，不能当作病名使用。
两者都是医学旧称、拼写都以 scr- 开头，容易混看；但 scrofula 指结核性的颈部淋巴结肿大，与维生素C缺乏无关，谈坏血病时不能用它。
拼写开头相近（sco-），但 scoliosis 是骨科术语，指脊柱的异常弯曲；scorbutus 是营养缺乏引起的坏血病，两者所指的病症完全不同，不能互相替代。
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