白弟弟,黑哥哥,和在一起唱歌歌。它就是我的知心朋友——铜琴。在我很小的时候,妈妈让我学一门艺术——弹钢琴,那时的我太小了,不知道钢琴是什么东西,后来,通过和它慢慢地交往,钢琴就成了我的知心朋友。钢琴总是在最关键的时刻鼓励 White brother, black brother, and singing songs together. It is my friend, brass. When I was young, my mom let me learn an art - playing the piano, then I was too young, I do not know what the piano was, and later, by slowly interacting with it, the piano became mine Close friends. The piano is always encouraged at the most crucial moment