study英语意为to read, memorize facts, attend school, etc。learn英语意为to gain knowledge or skill by studying。
当我们study某事物时，还没有learned（学习过）。当我们studying某事物时，会读书或文章，这些内容我们还不知道；或者用速记卡片记忆事实；或者在课堂上听老师讲课；再或者可以看视频。
当我们learn某事物时，是要把它变成自己的熟知的事情的一部分。当我们很熟悉某个主题，或者对某些知识的积累很丰富时，我们可以说出：我已经learned它们。
Learning is gaining knowledge by studying, and studying is done to learn things.
一些例子：
- He learned about computers by reading a book.
- He studied computer science in college.
- He is learning a lot about patient care in his nursing classes.
- She spent an hour every night studying her new vocabulary words.
- Study the definitions of these words to learn them.
- She learned how to do her job very quickly.
- Some people learn best by reading books and others learn best by listening to lectures in class.
- The children learned several facts about cows in class this week.
来自：https://www.britannica.com/dictionary/eb/qa/How-to-Use-Learn-and-Study-