英语语法分析

The word piano is short for pianoforte, a combination of the Italian words for soft and loud.

Piano（钢琴）这个词是 pianoforte（钢琴）的简称，是意大利语中“柔和”和“响亮”两个词的组合。

Thus, the pianoforte, or what we call shortly now as the piano.

因此，钢琴，或者我们称之为不久，现在的钢琴。

A key is the part of a pianoforte that you touch to make music.

琴键是钢琴上用手指敲击的部件，它能使钢琴发出乐音。