Word · CEFR B2 · Frequency #7733
deduce
推断；推论；演绎
核心释义
to conclude something from the available facts or evidence; to infer
- 1.
To reach (a conclusion) by applying rules of logic or other forms of reasoning to given premises or known facts.
推论；演绎出；[法] 推断；推出；演绎
用法In use
From the muddy footprints on the floor, the detective deduced that someone had entered through the back door.
用法提示：这里 deduced 是动词过去式，表示根据线索进行推断。
Based on the weather forecast and the dark clouds, I deduce that it will rain this afternoon.
用法提示：这里 deduce 是动词原形，用于表达基于理由作出推断。
By comparing the handwriting on the two letters, the expert deduced that they were written by the same person.
用法提示：这里 deduced 是动词过去式，表示经过比较后得出结论。
deduce sth from sth
常用于表示从已知信息中得出结论。
We can deduce the truth from the evidence.
我们可以从证据中推断出真相。
deduce that + clause
相关词与表达Connections
搭配Collocations
- deduce from
- 从…推断
- We can deduce from the evidence that he was lying.我们可以从证据推断出他在撒谎。
- deduce that
- 推断出…
- The detective deduced that the murderer was left-handed.侦探推断出凶手是左撇子。
- deduce a conclusion
- 得出结论
- It took us a while to deduce the correct conclusion.我们花了一些时间才得出正确的结论。
- be deduced from
- 从…被推断出
- This theory can be deduced from the available data.这个理论可以从现有数据中推断出来。
流行文化与引用
学习提示Learner notes
记忆技巧Memory Tip
联想 'de' 和 'duce'（引导），'deduce' 就是引导推理出结论。
语境与语域Context & Register
语域：formal 常见场景：academic writing、logical reasoning、scientific discourse deduce 通常用于正式场合，如学术论文、逻辑论证等，在日常口语中较少使用。
发音与拼写Pronunciation & Spelling
All these words end with -duce and share the same stressed vowel and following sounds in standard English (IPA /djuːs/ or /duːs/). They are true rhymes.
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.