deduce/deductive

deduce /diˈdju:s/ vt. 演绎，推断： deduce a conclusion from premises 从前提推出结论What do you deduce from this? 从这一点你能推断出什么呢? From the position of his body, the police deduced that the man had killed himself. 根据他身体的位置, 警察推断这个人属自杀。

deductive /diˈdʌktiv/ adj. 推论的，推理的：deductive method 演绎法；deductive reasoning 演绎推理 I used my deductive powers.我运用我的推理能力。