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dual + n
The company has a dual purpose.
这家公司有双重目的。
双重的；成双的；两部分的
先理解核心含义，再看它在真实句子里的用法。
双重的；成双的；两部分的
consisting of or involving two parts or components, usually in pairs
The company has a dual purpose.
这家公司有双重目的。
由两个部分或组件组成,通常成对
consisting of or involving two parts or components usually in pairs
具有明显不同的多个方面或特质
having more than one decidedly dissimilar aspects or qualities; ; - R.W.Emerson; -Frederick Harrison
指代两个项目或单位的语法数类别,与单数或复数相对
a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural)
The new phone has a dual camera, so you can take both normal and wide-angle photos.
这款新手机配有双摄像头，所以你可以拍摄普通照片和广角照片。
AI contextual example
Her role in the company is dual: she manages the team and reports to the board.
她在公司里的角色是双重的：她管理团队并向董事会汇报。
AI contextual example
This small device serves a dual purpose: it opens bottles and works as a flashlight.
这个小设备有双重用途：既能开瓶，又能当手电筒。
AI contextual example
dual controls for pilot and copilot
飞行员和副驾驶的双重控制装置。
WordNet
The company has a dual purpose.
这家公司有双重目的。
谓语用法较少见，多用于科技或正式语境。
The system is dual.
这个系统是双重的。
The material is dual in nature.
这种材料在本质上是双重的。
Not this
The car has duel exhaust pipes.
Use this
The car has dual exhaust pipes.
错误地将'dual'拼写为'duel'，'duel'意为'决斗'，而'dual'表示'双重的'。
Not this
She is a double citizen of the US and Canada.
Use this
She is a dual citizen of the US and Canada.
误用'double'代替'dual'，'double'通常表示'两倍的'，而'dual citizenship'是固定搭配，指双重国籍。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
双重角色
She plays a dual role as both mother and manager.
她扮演着母亲和经理的双重角色。
双重目的
This tool serves a dual purpose: cutting and slicing.
这个工具有双重用途：切割和切片。
双重国籍
He holds dual citizenship in Canada and France.
他拥有加拿大和法国的双重国籍。
双轨制
Germany's vocational education follows a dual system combining classroom and workplace training.
德国的职业教育采用双轨制，结合课堂和工作场所培训。
双重控制
The car is equipped with dual control for instructor and student.
这辆车配备了供教练和学生使用的双重控制系统。
Use dual naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
dual音似'都奥'，想象两个都重要，意为双重的。
通常用于正式或技术语境，如“双重国籍”、“双重功能”，日常口语中较不常见。
These words rhyme with 'dual' (pronounced /duəl/ or /ˈduːəl/) because they share the stressed vowel /uː/ followed by /əl/. Similar-sounding words ending in -ual, like 'equal' /ˈiːkwəl/, 'actual' /ˈæktʃuəl/, and 'visual' /ˈvɪʒuəl/, do not rhyme due to different stressed vowels.
Dictionary facts from AI_FALLBACK, ECDICT, WORDNET.