常见例句双语例句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。He took some music from a chair near the pianoforte , and turning to emma, said.这时，他从钢琴旁的椅子上拿了一些乐谱，朝爱玛转过脸来说。 返回 pianoforte music