“了解”用英文“learn about”还是“know about”

“了解”用英文“learn about”还是“know about” 网络可以帮我们更好的了解世界.英文（learn.about) learn about how do you learn about XXX 是“你怎么知道的”,还是“你有什么了解” know about 和 learn about 都表“了解”时如何区分 并举几个有代表性的例子 learn about和learn from和learn to do 怎么用详细 learn through和 learn about的区别...learn through reading and listening at radio呢?还是用learn about?答案是through,我认为应该用about啊 请问learn a language 与 learn about a language 有什么区别?Thank u：D什么叫“了解”？相对于learn来说，是不是“learn about”的程度更浅一些呢？ 出国读书好处,用英文说1.Improve english more quickly2.Learn to be independent3.Learn about other culture用英文介绍这三个题目,每个题目用六句,英文实在不行,中文也可以 know about . learn about. 造句 learn more about the learn more about the learn about manners翻译 learn about 造句, learn about the past learn about the learn about art learn about的同义词