deduce

从化石记录中，科学家可以推断出古代的气候条件。

Based on the fossil records, scientists can ___deduce the climate conditions of ancient times.

在考虑了这个特定案例后，我们或许能推断出成功所需的一些品质。

Having considered this particular case, we may be able to ___deduce some of the qualities needed to be successful.

根据她的表情和语气，我推断她心情不太好。

From her expression and tone, I ___deduce that she's in a bad mood.