1
contract hepatitis
He contracted hepatitis after traveling abroad.
他出国旅行后感染了肝炎。
肝炎
先理解核心含义，再看它在真实句子里的用法。
肝炎
Inflammation of the liver, often caused by a viral infection or a toxin.
He contracted hepatitis after traveling abroad.
他出国旅行后感染了肝炎。
肝脏炎症,有时由病毒感染引起。
Inflammation of the liver, sometimes caused by a viral infection.
由病毒或毒素引起的肝脏炎症
inflammation of the liver caused by a virus or a toxin
The doctor explained that hepatitis can be caused by certain viruses.
医生解释说，肝炎可能由某些病毒引起。
He felt tired for weeks before the test confirmed he had hepatitis.
在检查确认他患上肝炎之前，他已经疲惫了好几周。
Vaccines can protect people against some forms of hepatitis.
疫苗可以保护人们免受某些类型的肝炎感染。
He contracted hepatitis after traveling abroad.
他出国旅行后感染了肝炎。
Many patients suffer from chronic hepatitis.
许多患者患有慢性肝炎。
肝炎有甲、乙、丙等类型。
Vaccination can prevent hepatitis B.
疫苗接种可以预防乙型肝炎。
Not this
He is hepatitis.
Use this
He has hepatitis.
中文可以说“他是肝炎”，但英语中疾病名称用动词have表示患病，而不是be动词。
Not this
He has a hepatitis.
Use this
He has hepatitis.
Hepatitis为不可数名词，前面不应加不定冠词a。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
病毒性肝炎
Viral hepatitis is a common infectious disease.
病毒性肝炎是一种常见的传染病。
慢性肝炎
Chronic hepatitis can lead to liver cirrhosis if untreated.
慢性肝炎若不治疗可能导致肝硬化。
乙型肝炎
He was vaccinated against hepatitis B.
他接种了乙型肝炎疫苗。
丙型肝炎
Hepatitis C is primarily transmitted through blood.
丙型肝炎主要通过血液传播。
急性肝炎
Acute hepatitis often presents with jaundice and fatigue.
急性肝炎常表现为黄疸和疲劳。
肝炎感染
Hepatitis infection can be prevented by vaccination.
肝炎感染可通过疫苗接种预防。
Use hepatitis naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
肝（hepatic）的炎症（-itis）就是肝炎，想象肝脏红肿发炎的样子。
语域：中性；典型语境：医学讨论、健康科普、疾病诊断；说明：该词通常用于正式医学语境，在新闻报道及公众健康信息中也较常见，属于中性正式词汇。
通常不可数；复数形式较罕见，多用于医学语境中表示不同类型。
Dictionary facts from ECDICT, WIKTIONARY.