I learned how to ride a bike on it.

我学会了在这上面骑自行车。

At the museum, I learned a lot about robots.

在博物馆里，我学到了很多关于机器人的知识。

I learned about children growing up in Germany.

我了解了在德国长大的孩子们。

In my last Chinese class, I learned about Confucius.

在我上一次的中文课上，我学习了关于孔子的知识。

I learned about the inventions that led to color movies, too.

我还了解了导致彩色电影发明的发明。

That day I learned to ride a bike.

那一天我学会了骑自行车。

I learned a new word in class today.

我今天在课堂上学到了一个生词。

Today, I learned a lot of new things.

在今天，我学到了很多新知识。

I learned to type on a qwerty keyboard.

我学会了在qwerty（Q、W、E、R、T和Y各键分布在左侧上排，标准键盘布局）键盘上打字。

I learned how to snowboard last winter.

我去年冬天学会了单板滑雪。