clavichord的复数形式怎么写

Our clavichord is kept in the living room.我们的击弦古钢琴是放在起居室里的.The clavichord which my grandfather bought years ago was damaged.我祖父多年前买的古钢琴被损坏了.We have an old musical instrument. It is called a clavichord.我们有一件古老的乐器. 它叫击弦古钢琴...

clavichord的音标：clavichord的英式发音音标为：['klævɪkɔ:d]clavichord的美式发音音标为：['klævɪkɔrd]...

n.击弦古钢琴...