求翻译：钢琴钢琴(piano forte或forte piano)，简称pianopiano，是一种键盘乐器，用键拉动琴槌以敲打琴弦。从十八世纪末以来，在欧洲及美国，钢琴一直是最主要的家庭键盘乐器。钢琴发源于欧洲，十七世纪末，意大利人克里斯多佛利(Bartolommeo Cristofori)发明的一种类似现代钢琴的键盘式乐器。至今已有三百多年的历史。是什么意思？

Piano (a piano forte or forte a piano), the referred pianopiano, is a keyboard instrument key to pull the hammer to beat the strings. Since the end of the eighteenth century, in Europe and the United States, the piano has been the most important domestic keyboard instrument. Piano originated in Euro

Piano piano forte or piano forte (piano), hereafter called pianopiano is a keyboard musical instrument, the piano with keys to tapping the piano chords. From the 18th century, in Europe and the United States, the piano has always been the main keyboard instrument of the family. Piano originates in E

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The piano piano (piano forte or forte piano), are called pianopiano, is one kind of keyboard instrument, strikes the string with the key drawing qin mallet.Since 18 century's ends, in Europe and US, the piano always has been the most main family keyboard instrument.The piano originates in Europe, 17