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specialize in dermatology
作学科名称时通常不可数，不加 a。
After medical school, she specialized in dermatology.
医学院毕业后，她专攻皮肤病学。
皮肤病学
dermatologies — plural of dermatology
先理解核心含义，再看它在真实句子里的用法。
皮肤病学
the branch of medicine that deals with the skin and its diseases
After medical school, she specialized in dermatology.
医学院毕业后，她专攻皮肤病学。
皮肤病学,研究皮肤及其疾病的学科。
The study of the skin and its diseases.
皮肤病学
the branch of medicine dealing with the skin and its diseases
Maya chose to study dermatology after struggling with eczema for years.
玛雅在与湿疹斗争多年后，选择学习皮肤病学。
My doctor referred me to a dermatology clinic for the rash on my left arm.
我的医生把我转诊到皮肤科诊所，治疗我左臂上的皮疹。
After years of general practice, Dr. Lin finally decided to specialize in dermatology.
在从事全科医疗多年后，林医生终于决定专攻皮肤病学。
作学科名称时通常不可数，不加 a。
After medical school, she specialized in dermatology.
医学院毕业后，她专攻皮肤病学。
表达“在皮肤病学领域”时常用 in the field of dermatology。
Advances in the field of dermatology have improved treatment for eczema.
皮肤病学领域的进展改善了湿疹的治疗。
作定语修饰科室、门诊等名词时，用单数 dermatology。
She was referred to the dermatology department.
她被转诊到皮肤科。
Not this
She is a dermatology at the hospital.
Use this
She is a dermatologist at the hospital.
dermatology 是学科名称（皮肤病学），指人时要用表示职业的 dermatologist。中文里‘皮肤科医生’和‘皮肤病学’可能被粗略混说，但英语中学科名词与职业名词不同。
Not this
I want to dermatology after graduation.
Use this
I want to study dermatology after graduation.
dermatology 是名词，不能直接作动词。表达‘学皮肤病学’需要添加动词 study。
Not this
He is studying about dermatology.
Use this
He is studying dermatology.
study 是及物动词，可直接接学科作宾语，不需要介词 about。中文‘研究关于……’的‘关于’不能直接对应为 about 加在 study 后。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
皮肤科
She was referred to the dermatology department for her skin rash.
她因皮疹被转诊到皮肤科。
皮肤病诊所
The dermatology clinic offers free skin cancer screenings.
这家皮肤病诊所提供免费的皮肤癌筛查。
小儿皮肤病学
Pediatric dermatology focuses on skin conditions in children.
小儿皮肤病学关注儿童的皮肤疾病。
美容皮肤病学
Cosmetic dermatology includes treatments like laser therapy and fillers.
美容皮肤病学包括激光治疗和填充剂等疗法。
皮肤科会诊
The doctor requested a dermatology consultation for the unusual rash.
医生为这种不寻常的皮疹请求了皮肤科会诊。
皮肤科住院医师培训
She completed her dermatology residency at a university hospital.
她在大学医院完成了皮肤科住院医师培训。
Use dermatologies naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
derma 听起来像“皮肤”，-logy 表示学科；想象皮肤科医生拿着放大镜检查皮肤的样子，就能记住 dermatology 是皮肤病学。
语域：formal 常见场景：academic medical writing、clinical settings、medical textbooks 该词是正式医学术语，通常多用于医学教材、学术论文和临床记录等专业场合；非正式口语中较少直接使用。
These words all rhyme with dermatology in American English, sharing the stressed /ɑlədʒi/ ending. Beware that dermatologist (/ˌdɝməˈtɑlədʒɪst/) has an extra /st/ and does not rhyme, and dermatitis (/ˌdɝməˈtaɪtɪs/) sounds quite different.
Dictionary facts from ECDICT, WIKTIONARY.