Word · Frequency #16116
emulsion
乳状液;乳浊液
核心释义
a colloid in which both phases are liquids
- 1.
(化学)两相均为液体的胶体
(chemistry) a colloid in which both phases are liquids
- 2.
涂于纸张或胶片上的感光层,由悬浮在明胶中的细微溴化银颗粒组成
a light-sensitive coating on paper or film; consists of fine grains of silver bromide suspended in a gelatin
感光乳剂;感光涂层;(化学)两相均为液体的胶体;涂于纸张或胶片上的感光层,由悬浮在明胶中的细微溴化银颗粒组成;乳状液;乳剂;[化] 乳化作用; 乳剂; 乳液; 乳状液; 乳浊液
用法In use
Mayonnaise is an emulsion of oil, egg yolk, and vinegar.
用法提示:emulsion 作名词,指两种不相溶液体形成的乳状液。
In chemistry class, we made an emulsion by shaking oil and water together.
用法提示:emulsion 作名词,指通过混合两种液体得到的胶体。
The film's emulsion must be handled carefully in the darkroom.
用法提示:emulsion 作名词,指胶片上的感光涂层。
an oil-in-water emulsion
emulsion of [sth] and [sth]
常用于描述两种不相溶液体的混合。
An emulsion of oil and water is unstable.
油和水的乳液是不稳定的。
form/create an emulsion
相关词与表达Connections
搭配Collocations
- oil-in-water emulsion
- 水包油乳浊液
- The dressing is an oil-in-water emulsion.这种调料是一种水包油乳浊液。
- photographic emulsion
- 感光乳剂
- The photographic emulsion is applied to the film.感光乳剂被涂在胶片上。
- emulsion paint
- 乳胶漆
- They used white emulsion paint for the walls.他们用白色乳胶漆刷墙。
- stabilize an emulsion
- 使乳浊液稳定
- An emulsifier helps stabilize the emulsion.乳化剂有助于使乳浊液稳定。
- break an emulsion
学习提示Learner notes
记忆技巧Memory Tip
想象油和水搅拌成乳白色液体,像牛奶(milk)一样——emulsion 就是“乳状液/乳剂”。
语境与语域Context & Register
语域:formal 常见场景:chemistry laboratory、photographic film production emulsion 是专业术语,通常出现在化学和摄影语境中;在化学中指乳状液,在摄影中指感光乳剂。日常口语较少使用,具体含义需结合上下文判断。
语法说明Grammar Note
作为可数名词时表示一种乳剂,不可数时表示乳剂这一物质。
发音与拼写Pronunciation & Spelling
与 /ˈʌlʃən/ 押韵的词有 convulsion、repulsion、expulsion。注意拼写相似的 emulsify (/ɪˈmʌlsɪfaɪ/) 和 emission (/ɪˈmɪʃən/) 读音不同。
用法优先级Usage priority
Collins 词频等级为 1,建议结合例句记忆,而不是只背中文释义。
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