have/get an erection
常用于指男性性兴奋时的生理反应。
He had an erection during the movie.
他在看电影时勃起了。
勃起
erections — plural of erection
建造；竖立；搭建；建筑物；竖立物；（教会对机构的）正式设立；建立；建造或组装某物的行为。；任何建造或竖立起来的东西。
the process or state of a penis or clitoris becoming erect; an erect penis or clitoris
建造或组装某物的行为。
The act of building or putting up or together of something.
勃起
an erect penis
任何建造或竖立起来的东西。
Anything erected or built.
建筑物；构造物
a structure that has been erected
由上级教会当局正式批准并官方设立机构(如社团或修道院)的行为。
Formal approval and official establishment of an institution such as a society or a monastery by higher church authorities.
建造；竖立
the act of building or putting up
勃起组织(如阴茎或阴蒂)因充血而变硬的生理过程。
The physiological process by which erectile tissue, such as a penis or clitoris, becomes erect by being engorged with blood.
因充血而勃起的状态或性质。
The state or quality of being erect from engorgement with blood.
勃起的阴茎或阴蒂。
A penis or clitoris that is erect.
The erection of the new museum will begin next spring.
新博物馆的建造将于明年春天开始。
用法提示：erection 是名词，指“建造”这一行为。
The workers completed the erection of the steel bridge in just six months.
工人们仅用六个月就完成了钢桥的搭建。
用法提示：erection 作名词，表示“搭建”的过程。
They are responsible for the erection of the temporary stage for the concert.
他们负责为音乐会搭建临时舞台。
用法提示：erection 在此为名词，意思是“搭建、架设”。
常用于指男性性兴奋时的生理反应。
He had an erection during the movie.
他在看电影时勃起了。
The erection of the new bridge took two years.
新桥的建造花了两年时间。
The doctor said he has difficulty maintaining an erection.
医生说他难以维持勃起。
仅用于俚语非正式场合，语气粗糙
俚语，比hard-on稍温和但仍不正式
正式/医学用语，不是日常词汇
俚语，较老式，今不多用
正式/解剖学术语，通常指器官而非状态
grammar · medium
易错句子He has erection.
正确表达He has an erection.
英语中“erection”是可数名词，通常需要冠词或限定词。中文学习者容易遗漏冠词，因此需要加上不定冠词“an”。
grammar · medium
易错句子He erects in the morning.
正确表达He has an erection in the morning.
“erection”是名词，而“erect”是动词，表示“建造”或“竖起”，不用于描述生理状态。正确表达应用名词短语“have an erection”。
反义词用于'勃起'的生理学含义，指阴茎疲软的状态。
反义词用于'勃起'的生理学含义，指阴茎勃起后恢复疲软的过程。
发音和拼写相似，但含义完全不同
erect是形容词或动词，而erection是名词，指竖起的状态或建筑物
construction侧重建设的过程，而erection可指具体的建筑物或竖立动作
勃起
Many men have erections during sleep.
许多男性在睡眠中会勃起。
产生勃起
He got an erection while watching the movie.
他看电影时产生了勃起。
建筑物的建造
The erection of the building was completed ahead of schedule.
该建筑物的建造提前完成了。
雕像的竖立
The erection of the statue was a significant event.
雕像的竖立是一个重大事件。
维持勃起
Some men find it difficult to maintain an erection.
有些男性发现难以维持勃起。
勃起问题
He consulted a doctor about his erection problems.
他就勃起问题咨询了医生。
erect, erupt, evoke
correct, direct, rectify
action, collection, education
直接相关的男性生殖器官
与性兴奋和勃起的生理过程相关
导致勃起的生理或心理状态
勃起是男性生理特征之一
与生殖器官相关的形容词
我勃起了，但后来软了。
From the movie 'The 40-Year-Old Virgin' (2005), the character Andy says: 'I had an erection, but it went away.'
出自电影《四十岁的老处男》（2005），角色安迪说：“我勃起了，但后来软了。”
Dictionary facts from ECDICT, WIKTIONARY.