In history we're learning about the Russian revolution.历史课上我们正在学习俄国革命的内容。

This booklet will help students to learn about personal finance.这本小册子将帮助学生了解个人理财。

After the accident, she wanted to learn more about brain injury.那次事故之后, 她想多了解些脑损伤方面的知识。

He encourages visitors to the exhibition to learn about the human body.他鼓励展览会参观者了解有关人体的知识。