特;Alex only took up the pianoforte when he was 14.
亚历克
到14岁时才开始学钢
。
(旧称)Alex only took up the pianoforte when he was 14.
亚历克到14岁时才开始学钢。
A key is the part of a pianoforte that you touch to make music.
键是钢上用手指
部件,它能使钢发出乐音。
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