從(所給事實)推論出… reach (an answer) by reasoning from (given facts)
deduce sth from sth
What do you deduce from the facts?
你從事實中推論出什么?
We can deduce a conclusion from the premises.
我們可以從這個前提推出結(jié)論。
deduce from sb/sth that-clause
I deduce from the small crowd that the speaker is not very popular.
從這一小點兒聽眾人數(shù)來看,這個演講者聲望不很高。
I deduced from the noise that the dog had woken up.
我從這些噪音中判斷這只狗醒了。
From her conversation,I deduced that she has a large family.
我從她的談話中推斷出她有很多孩子。