Word · Frequency #7280
asthma
哮喘
核心释义
A long-term lung condition in which the airways can narrow suddenly, causing wheezing and shortness of breath, often due to allergies or other triggers.
- 1.
一种长期呼吸系统疾病,气道可能会意外和突然变窄,通常对过敏原、冷空气、运动或情绪压力作出反应。症状包括喘息、呼吸急促、胸闷和咳嗽
A long-term respiratory condition, in which the airways may unexpectedly and suddenly narrow, often in response to an allergen, cold air, exercise, or emotional stress. Symptoms include wheezing, shortness of breath, chest tightness, and coughing.
- 2.
以喘息为特征的呼吸系统疾病,通常由过敏引起
respiratory disorder characterized by wheezing; usually of allergic origin
一种长期呼吸系统疾病,气道可能会意外和突然变窄,通常对过敏原、冷空气、运动或情绪压力作出反应。症状包括喘息、呼吸急促、胸闷和咳嗽；以喘息为特征的呼吸系统疾病,通常由过敏引起；哮喘；[医] 气喘
用法In use
Her asthma gets worse when she runs outside in cold weather.
用法提示：此处 asthma 为不可数名词，表示慢性呼吸系统疾病。
He carries an inhaler with him because his asthma can be triggered by dust.
用法提示：asthma 作名词，作介词 with 的宾语，指这种疾病。
A doctor can help you manage your asthma with the right treatment.
用法提示：asthma 作名词，作 manage 的宾语，表示呼吸系统疾病。
have asthma
She has had asthma since childhood.
她从小就有哮喘。
suffer from asthma
Many people suffer from asthma due to air pollution.
相关词与表达Connections
搭配Collocations
- asthma attack
- 哮喘发作
- She had a severe asthma attack and needed immediate medical attention.她哮喘严重发作，需要立即就医。
- have asthma
- 患有哮喘
- Many children have asthma and must carry an inhaler.许多儿童患有哮喘，必须随身携带吸入器。
- asthma symptoms
- 哮喘症状
- Common asthma symptoms include wheezing and shortness of breath.常见的哮喘症状包括喘息和呼吸急促。
- asthma treatment
- 哮喘治疗
- Asthma treatment often involves using a controller medication daily.哮喘治疗通常包括每日使用控制药物。
- asthma inhaler
学习提示Learner notes
记忆技巧Memory Tip
哮喘asthma读音像“阿斯玛”，想象一位叫阿斯玛的人哮喘发作，喘不过气来。
语境与语域Context & Register
[object Object]
语法说明Grammar Note
通常作不可数名词，不用 a/an；复数形式 asthmas（或罕用 asthmata）仅指不同类型的哮喘或病例。
发音与拼写Pronunciation & Spelling
Words 1-3 (plasma, spasm, chasm) share the same ending /zəm/ and rhyme with asthma. Words 4-6 look similar in spelling but have different pronunciation: asthmatic (/æzˈmætɪk/), isthmus ('sth' silent as in asthma but vowel differs), aspen (/ˈæspən/ with /s/ not /z/).
用法优先级Usage priority
Collins 词频等级为 2，建议结合例句记忆，而不是只背中文释义。
Dictionary facts from ECDICT, WIKTIONARY.