当他四岁大时就开始学习手风琴。
He began to learn the accordion when he was four (years old).
笔者跟随李建林自2003年学习手风琴至今，对他所创作的手风琴作品都非常熟悉，并作了较为深入的分析研究。
I follow li Jianlin since 2003 to learn the accordion since the creation of his works are very familiar with the accordion and made a more in-depth analysis and study.
你或许因此对自己说，趁着我的大脑还没退化，赶紧报名学习史瓦西里文和微积分，还有手风琴班吧！
So you may be saying to yourself, I have to sign up right now for Swahili and calculus and accordion lessons before my brain withers away!
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