learn about和learn of有什么区别

learn about
获得,学得
I like reading historical stories because I can learn about the lives that people led long ago.
我喜欢看历史故事,因为这样可以知道过去人们的生活.
It's no use learning facts about a subject if you don't understand it.
只了解某一学科的知识而并不理解,那是毫无用处的.
得知有关…的消息
How did you learn about the meeting?
有关会议的情况你是怎么知道的?
We only learned about your intended visit yesterday.
我们昨天才听说你们准备来访.
learn of
听说…
I've just learned of his arrival.
我刚听说他来了.
They offered help as soon as they learned of the accident.
他们一听说这件意外就立即提供了帮助.