1
a twofold + noun
修饰名词，表示数量或程度上的两倍。
The company reported a twofold increase in profits.
该公司报告利润增长了两倍。
两倍的；双倍的
先理解核心含义，再看它在真实句子里的用法。
两倍的；双倍的
twice as much or as many; doubled
The company reported a twofold increase in profits.
该公司报告利润增长了两倍。
两倍的；双重的；乘以二的
Double; duplicate; multiplied by two.
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
有两部分的；尤其指两个不同部分的
Having two parts, especially two different parts.
两倍大或多
twice as great or many
The company reported a twofold increase in profits this year.
公司报告称今年利润增长了两倍。
AI contextual example
The problem has a twofold nature: financial and social.
这个问题具有双重性质：既是财务问题，也是社会问题。
AI contextual example
Her interest in the project was twofold: she wanted experience and money.
她对这个项目的兴趣有两方面：既想获得经验，也想赚钱。
AI contextual example
the office of a clergyman is twofold; public preaching and private influence
神职人员的职责是双重的:公开布道和私下影响。
WordNet
修饰名词，表示数量或程度上的两倍。
The company reported a twofold increase in profits.
该公司报告利润增长了两倍。
作表语，表示有两个方面或双重结果。
The benefits of this program are twofold.
这个项目的好处是双重的。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
两倍的增长
The region saw a twofold increase in visitors last summer.
去年夏天，该地区的游客数量增至原来的两倍。
双重目的
The course serves a twofold purpose: education and entertainment.
这门课程有双重目的：教育和娱乐。
双重好处
Regular walking has a twofold benefit for your health.
经常散步对你的健康有双重好处。
双重挑战
The new policy presents a twofold challenge for small businesses.
新政策给小企业带来了双重挑战。
双重含义
The phrase has a twofold meaning in this context.
这个短语在这种语境下有双重含义。
原因有二
The reasons for her resignation were twofold: stress and salary.
她辞职的原因有两点：压力和薪资。
Use twofold naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
把 two（两）和 fold（折）连起来：一张纸折一次就成两层，即“两倍、双重”之意。
语域：formal 常见场景：学术写作、正式报告 “twofold” 通常用于正式或学术语境，多出现在论文、报告或官方文件中；在日常口语中较少使用。若指“两倍的”数量，也可在一般描述中见到。
常用作定语或表语，无比较级
Dictionary facts from ECDICT, WIKTIONARY.