Word · Frequency #19966
threefold
三倍的
核心释义
Three times as great; triple.
- 1.
三倍大的。
Three times as great.
- 2.
三重的。
Triple.
三倍大的。;三重的。;三重的
用法In use
The new subway line caused a threefold increase in property values nearby.
用法提示:threefold 作形容词,修饰 increase,表示“三倍的、变为原来的三倍”。
The population of the town is now threefold what it was in 1990.
用法提示:threefold 作表语形容词,与 what 从句连用,表示“是……的三倍”。
The team achieved a threefold growth in the number of users within six months.
用法提示:threefold 作定语,修饰 growth,表示“三倍的增长”。
threefold + noun
The company reported a threefold increase in profits.
该公司报告利润增长了三倍。
be + threefold
此处 threefold 作表语,表示‘有三重的’或‘三倍的’
相关词与表达Connections
搭配Collocations
- a threefold increase
- 三倍的增长
- The company reported a threefold increase in profits this year.公司报告今年利润增长了三倍。
- a threefold reduction
- 减少到三分之一
- There has been a threefold reduction in the number of accidents since the new rules.自新规定实施以来,事故数量减少到三分之一。
- a threefold purpose
- 三重目的
- The new program serves a threefold purpose.新项目具有三重目的。
- a threefold division
- 三重划分
- The book follows a threefold division into history, theory, and practice.这本书按历史、理论和实践分成三部分。
- a threefold benefit
学习提示Learner notes
记忆技巧Memory Tip
记忆:three(三)+ fold(折叠),像把纸折三折变成三层,意为三倍。
语境与语域Context & Register
语域:formal 常见场景:formal reports、academic writing threefold 作形容词时多用于正式或书面语境,如在报告和学术文章中表示“三倍的”;日常口语中通常更常说 three times。
语法说明Grammar Note
常用作定语,修饰表示数量或程度的抽象名词,如 increase, reduction 等。
发音与拼写Pronunciation & Spelling
以 -fold 结尾的单词都含有相同的拼写和词尾 /fəuld/,但重音位置不同,使它们与 threefold 不构成严格押韵。fold 和 unfold 因重音在 -fold 上而相互押韵;threefold 重音在 three 上,故不与它们押韵。three 与 threefold 共享开头的 /θriː/ 音。
一起学习词形Learn the forms together
页面下方列出了常见词形变化。学习时注意它们在句子中的语法位置。
Dictionary facts from ECDICT, WIKTIONARY.