Word · Frequency #14074
expound
详述；阐述；详细解释
核心释义
to explain or describe something in detail, especially in writing
- 1.
详细阐述,通常以书面形式
add details, as to an account or idea; clarify the meaning of and discourse in a learned way, usually in writing
- 2.
陈述
state
陈述；表述；详细阐述,通常以书面形式；陈述；详细说明；解释
用法In use
The professor expounded her theory on climate change during the two-hour lecture.
用法提示：expounded 是 expound 的过去式，作及物动词，表示“详细阐述”。
Could you expound on your earlier remark so that we can understand your point?
用法提示：expound on 表示“就……详细说明”，这里用情态动词后的动词原形。
In her latest book, the author expounds a new approach to learning languages.
用法提示：expounds 是 expound 的第三人称单数现在时，直接带宾语，表示“阐述”。
expound on/upon sth
常用介词 on 或 upon 引出主题。
She expounded on the theory during the lecture.
她在讲座中详细阐述了该理论。
expound sth (to sb)
直接接名词作宾语，可加 to sb 表示对象。
相关词与表达Connections
搭配Collocations
- expound on something
- 详细阐述某事
- The professor expounded on his latest research.教授详细阐述了他最新的研究。
- expound a theory
- 阐述理论
- In her book, she expounds her theory of language acquisition.在她的书中，她阐述了自己的语言习得理论。
- expound a view
- 阐述观点
- The article expounds the author's view on education reform.这篇文章阐述了作者对教育改革的看法。
- expound at length
- 详细地阐述
- He expounded at length on the dangers of smoking.他详细地阐述了吸烟的危害。
- expound an idea
学习提示Learner notes
记忆技巧Memory Tip
联想expand（展开）：expound就是把你脑子里“膨胀”开来的观点摊开来详细讲，把细节都展开说明白。
语境与语域Context & Register
语域：formal 常见场景：学术或理论文章、正式演讲或讲座 expound 通常用于正式语境，表示系统、详细地阐述观点或理论，多见于学术写作或正式演讲；日常口语中较少使用，更常用 explain。
发音与拼写Pronunciation & Spelling
这些词都以 -ound 结尾，与 expound 的 /-aʊnd/ 押韵：sound、found、round、ground、around、pound。注意 expound 虽以 expo- 开头，但不要与 exponent /ɪkˈspəʊnənt/、exposure /ɪkˈspəʊʒə/ 等同韵混淆，它们的读音和词义都不同。
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。
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.