镭的发现

discovery of radium

元素周期律的发现

discovery of the periodic law of elements

发现新的行星

discover a new planet

发现新大陆

discover the New World

发现问题，解决问题

find and solve a problem

发现了新的石油区

discover a new oil field

发现敌人

detect an enemy

发现他有点自高自大

find him a bit conceited

我发现他有心事。

I noticed he had something on his mind.

要善于发现别人的优点。

One should be good at noticing other people's merits.

科学上的最新发现

latest discoveries in science