Alex only took up the pianoforte when he was 14.

亚历克斯到14岁时才开始学钢琴。

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。

There is a pianoforte (rose-wood, also), without cover, and thrown open.

有一个钢琴（还是花梨木做的） ，没盖琴键盖，后盖也敞开着。

Clementi's Gradus AD Parnassum is an important work in pianoforte-history.

克列门蒂的《名手之道》是钢琴艺术史上一部重要的作品。