N-VAR
钢琴
A piano is a large musical instrument with a row of black and white keys. When you press these keys with your fingers, little hammers hit wire strings inside the piano which vibrate to produce musical notes.
例句
I taught myself how to play the piano...
我自学了弹钢琴。
He started piano lessons at the age of 7.
他7岁开始上钢琴课。