learn这个英文单词是一个动词，它的中文意思是学会，学习，得知，获悉，认识到，熟记。
举例子如下
their children were going to learn chinese.中文意思是他们的孩子们打算学中文。
he is learning to play the piano.中文意思是他正在学弹钢琴。