learn about (或 of)

• • 学到(知识等)；了解：

    He read a lot so as to learn about the intellectual history of Europe.

    他大量阅读以便了解欧洲思想史。

  • 获悉；听说：

    I have learned of your promotion from your manager.

    我已经从你的经理那儿听说你升职了。