/dɪˈdjuːs/
通过逻辑推理或已知信息得出结论;推断,演绎。
I can deduce from your expression that something went wrong.
从你的表情我可以推断出出了什么问题。
By carefully examining the evidence, the detective was able to deduce that the suspect had entered through the back door.
通过仔细检查证据,侦探推断出嫌疑人是从后门进入的。
源自拉丁语 deducere,由 **de-**(向下、从)和 ducere(引导)组成,原义为"引导出来"。在中古英语时期经由法语传入英语,逐渐演变为"从已知事实中引出结论"的意思,强调通过逻辑推理得出答案的过程。