early 15c., from Latin deducere "lead down, derive" (in Medieval Latin, "infer logically"), from de- "down" (see de-) + ducere "to lead" (see duke (n.)). Originally literal; sense of "draw a conclusion from something already known" is first recorded 1520s, from Medieval Latin. Related: Deduced; deducing.
中文解释
1、追本溯源、追根溯源。
实用例句
1. Can we deduce from your silence that you do not approve?
你保持沉默，我们是否可以据此而推断出你不赞成？来自《权威词典》
2. The police were able to deduce where the fugitive was hiding.
警方成功地推断出那逃亡者躲藏的地方.来自《简明英汉词典》
3. We can deduce a conclusion from the premise.
我们可以从这个前提推出结论.来自《简明英汉词典》
4. If you see a doctor leaving a house, you may deduce that someone in the house is ill.
如果你看见一个医生从某一家出来, 你就可以推知这家有人病了.来自《现代英汉综合大词典》
5. We will now deduce the properties of a single element.
