suffer from dysmenorrhea
suffer from 后接疾病名称，是最常见的搭配。
She has suffered from dysmenorrhea since her teens.
她从十几岁起就一直受痛经困扰。
痛经
痛经(月经疼痛),被视为各种疾病中的一种症状。；痛经(月经疼痛),被视为一种独立的疾病(因此是一种诊断)。；痛经；[医] 痛经
Painful menstruation; menstrual pain.
痛经(月经疼痛),被视为各种疾病中的一种症状。
Painful menstruation (menstrual pain), viewed as a symptom in any of various disorders.
痛经(月经疼痛),被视为一种独立的疾病(因此是一种诊断)。
Painful menstruation (menstrual pain), viewed as a disorder in its own right (and thus a diagnosis).
Many women suffer from dysmenorrhea during their menstrual cycles.
许多女性在月经周期中遭受痛经的困扰。
用法提示：名词作宾语，表示疼痛的月经症状。
She took pain relievers to alleviate her dysmenorrhea.
她服用止痛药来缓解痛经。
用法提示：名词作宾语，指需要缓解的病症。
Regular exercise can help reduce the severity of dysmenorrhea.
规律运动有助于减轻痛经的严重程度。
用法提示：名词作介词宾语，描述被减轻的病症。
suffer from 后接疾病名称，是最常见的搭配。
She has suffered from dysmenorrhea since her teens.
她从十几岁起就一直受痛经困扰。
with 引出所用的治疗手段或药物。
Doctors often treat dysmenorrhea with anti-inflammatory drugs.
医生常使用抗炎药治疗痛经。
experience 在此表示“经历（症状）”，语气比 have 正式。
Many adolescents experience dysmenorrhea in the first year after menarche.
许多青少年在月经初潮后的第一年就会经历痛经。
过去分词短语作后置定语，用来说明痛经的病因。
Dysmenorrhea caused by endometriosis tends to be severe.
由子宫内膜异位症引起的痛经往往较严重。
grammar · medium
易错句子Dysmenorrhea are common among young women.
正确表达Dysmenorrhea is common among young women.
dysmenorrhea 作“痛经（病症）”讲时是不可数名词，谓语动词要用单数 is；不能因为汉语“痛经”没有单复数形式或联想到 cramps 而误用 are。
grammar · medium
易错句子Many women suffer dysmenorrhea every month.
正确表达Many women suffer from dysmenorrhea every month.
suffer 表示“患（某种疾病）”时通常用作不及物动词，必须接介词 from 再加疾病名称；汉语“患痛经”没有介词，容易漏掉 from。
grammar · medium
易错句子She missed her dysmenorrhea last month.
正确表达She missed her period last month.
dysmenorrhea 专指“痛经（月经疼痛）”，不能用来指月经本身；表示“月经”应用 period 或 menstruation。汉语“痛经”含“经”字，容易误以为可指月经来潮。
两者都与月经相关且词形相近，但 dysmenorrhea 指来月经时疼痛，amenorrhea 指月经不来或停经；一个描述经期疼痛，一个描述月经缺失。
词形相近且都涉及月经，但 dysmenorrhea 强调经期疼痛，menorrhagia 强调经血量异常增多；一个说痛，一个说量多，不可互换。
二者共有 dys- 前缀，表示“困难的、不良的”，但 dysmenorrhea 的困难发生在月经（表现为疼痛），dysuria 指排尿时疼痛或困难；涉及的部位和生理过程不同。
dys- + men(o)- + -rrhea + -ic
men(o)- + -rrhea
a- + menorrhea
oligo- + menorrhea
hypo- + menorrhea
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