learn about the past信息详情
了解过去
learn about───获得，学得; 得知有关…的消息；了解；学习
learn about robots───了解机器人
learn more about───了解更多关于......；学习更多关于……
the past───过去的事（歌曲名）
shobut learn about───但是了解
the past is past───过去就是过去
learn───vi.学习；获悉；vt.学习；得知；认识到
uncovering the past───揭开过去
learn the ropes───摸到门道；弄清内幕；知道事情的内情；摸到窍门[线索]，弄清内幕; 摸头
Learn about the Past Participle (3) : used as Adverbial.───学习过去分词的用法：用作状语。
They learn about the past chiefly from textbooks but also through such activities as field trips to historical sites and visits to museums.───他们主要是学习课本，有时也到历史古迹实地踏访并参观博物馆。
It's curiosity, not suspicion, that entices many older users to learn about the past on the Internet.───正是好奇心，而非猜疑，诱使许多老年用户在互联网上了解过去。
students usually learn about the past in history class.───同学们通常在历史课上了解过去。
Historical museums are very popular in china. People learn about the past by visiting historical museums.───历史类的博物馆在中国非常流行，人们通过参观历史博物馆的方式去了解过去的事情。
History is a subject which you can learn about the past.───历史是学习过去的事情的课程。