1
masturbation + be + adjective/noun phrase
此句将 masturbation 作为抽象名词使用，谓语动词用单数。
Masturbation is a natural part of human development.
手淫是人类成长过程中的一个自然组成部分。
手淫
masturbations — plural of masturbation
先理解核心含义，再看它在真实句子里的用法。
手淫
manual stimulation of the genitals for sexual pleasure
Masturbation is a natural part of human development.
手淫是人类成长过程中的一个自然组成部分。
Sexual stimulation of one's genitalia or other erotic regions, often to the point of orgasm.
用手刺激自身或他人的生殖器官以获取性快感
manual stimulation of the genital organs (of yourself or another) for sexual pleasure
The stimulation of another person's genitals using the hands.
Masturbation is a normal activity that many people keep private.
手淫是许多人保密的一种正常活动。
The teacher talked about masturbation during the health lesson.
老师在健康课上谈到了手淫。
The video explains masturbation in simple terms for teenagers.
这个视频用简单的语言向青少年解释了手淫。
此句将 masturbation 作为抽象名词使用，谓语动词用单数。
Masturbation is a natural part of human development.
手淫是人类成长过程中的一个自然组成部分。
engage in 中的 in 是介词，后接名词或动名词。
The survey asked whether the participants had ever engaged in masturbation.
这项调查询问参与者是否曾进行过手淫。
among 后接复数名词，表示在某一人群范围内。
Masturbation among teenagers is common.
手淫在青少年中很常见。
Not this
I do masturbation every day.
Use this
I engage in masturbation every day.
英语中表示“进行手淫”这一行为，不能用 do 直接加 masturbation，这是中文“做手淫”的直译。正确动词是 engage in，后接名词 masturbation，表示“从事手淫”。
Not this
Masturbations are unhealthy.
Use this
Masturbation is unhealthy.
masturbation 通常作为不可数名词，泛指手淫行为时用单数形式。错误句将复数形式用于泛指，属于可数性误用；改为单数后，主谓一致也相应调整。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
相互手淫
The therapist suggested that mutual masturbation could help the couple communicate about pleasure.
治疗师建议，相互手淫可以帮助这对伴侣交流彼此的愉悦感受。
强迫性手淫
Compulsive masturbation can sometimes interfere with daily responsibilities.
强迫性手淫有时会干扰日常责任。
手淫罪恶感
Many people experience masturbation guilt because of cultural or religious teachings.
许多人因文化或宗教教导而产生手淫罪恶感。
手淫习惯
Teens often worry about their masturbation habits even though the behavior is common.
青少年常常担心自己的手淫习惯，尽管这种行为很常见。
儿童期手淫
Childhood masturbation is usually a normal part of development.
儿童期手淫通常是成长过程中的正常现象。
手淫幻想
She kept her masturbation fantasies private from her partner.
她没有把自己的手淫幻想告诉伴侣。
精神自慰；指空耗心力、只图自我满足而无实际产出的思考或争论
Arguing about politics online all night is really just mental masturbation.
整夜在网上争论政治其实只是精神自慰。
相互吹捧；指双方或团体互相恭维、彼此满足虚荣的行为
The awards ceremony felt like mutual masturbation, with everyone congratulating each other.
颁奖典礼就像相互吹捧，大家都在互相道贺。
言语自慰；指只顾自我表达、不顾听者的冗长独白
His ten-minute rant was pure verbal masturbation.
他那十分钟的咆哮纯粹是言语自慰。
不要抨击自慰，那是和我所爱的人做爱。
This famous Woody Allen line about masturbation is often quoted as a humorous defense of self-pleasure.
这句伍迪·艾伦关于自慰的名言常被引用，作为对自慰的幽默辩护。
Use masturbations naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 masturbation 想成 'mass-ter-bation'，联想手部按摩（massage）大师用双手刺激生殖器，顿时记住这个动作。
语域：formal 常见场景：医学文献、性教育材料、正式健康科普 masturbation 是医学和正式场合的标准用语，多用于书面或教育语境；日常口语中通常不直接使用，而会选用更委婉或口语化的说法。
The words celebration, vibration, perturbation, information, and education all rhyme with masturbation: their stressed syllable contains /eɪ/ and ends in /ʃən/ (i.e., they end in /eɪʃən/). Perturbation shares the exact /beɪʃən/ ending. Beware the lookalike masturbate: it ends in /beɪt/, so it does not rhyme.
Dictionary facts from ECDICT, WIKTIONARY.