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。
推断；推论；演绎
deduces — third person singular of deduce
演绎出；[法] 推断；推出
to conclude something from the available facts or evidence; to infer
To reach (a conclusion) by applying rules of logic or other forms of reasoning to given premises or known facts.
一般现在时
I deduce that he is lying.
我推断他在说谎。
From the muddy footprints on the floor, the detective deduced that someone had entered through the back door.
侦探根据地板上的泥脚印推断出有人从后门进来。
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.
根据天气预报和乌云，我推断今天下午会下雨。
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.
通过比较两封信的笔迹，专家推断出它们是同一个人写的。
用法提示：这里 deduced 是动词过去式，表示经过比较后得出结论。
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。
后接 that 从句，表示推断出的具体内容。
From the data, we deduced that the experiment failed.
从数据中我们推断出实验失败了。
直接跟名词，省略了信息来源，常见于非正式或语境明确时。
Sherlock Holmes deduced the solution.
夏洛克·福尔摩斯推断出了答案。
较正式，强调基于已有证据或事实进行逻辑推理
强调思考终结并作出决定，常用于经过一系列推理后
强调思考过程，不直接等同于得出结论，侧重逻辑推导
常指数学、逻辑或科学中的推导，更正式
强调超出已有数据或经验的范围，多用于科学预测
grammar · medium
易错句子From the data, we can induce that the experiment failed.
正确表达From the data, we can deduce that the experiment failed.
学习者混淆了deduce与induce。deduce意为‘推论’（基于证据推理），而induce意为‘诱导’或‘归纳’（在逻辑中特指归纳推理），在表达‘推断出’时应用deduce。
grammar · medium
易错句子We deduced by the evidence that he was guilty.
正确表达We deduced from the evidence that he was guilty.
介词by使用错误。与deduce搭配的介词是from，表示‘从…中推断出’，而by通常表示方法或手段，此处应用from。
作为逻辑推理的反方向，'deduce' 指演绎推理，而 'induce' 指归纳推理。
deduce强调从一般原则推导出特定结论（演绎），infer则更广泛地指根据证据推断，不强调逻辑方法；deduce通常用于科学或逻辑推理，infer可用于日常语境。
deduce意为推理，deduct意为扣除金额，两者拼写相似但意义完全不同。
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。
推断出…
The detective deduced that the murderer was left-handed.
侦探推断出凶手是左撇子。
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。
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。
推理时常用的依据
推理得到的结果
推理所遵循的规则
推理的起点或待验证的命题
推理过程中对信息进行分解和考察
我已经推断出你去过阿富汗。
Sherlock Holmes deduces clues that others miss.
夏洛克·福尔摩斯推断出别人忽略的线索。
Dictionary facts from ECDICT, WIKTIONARY.