cygnet的复数形式怎么写？

A young swan is called a cygnet.小天鹅叫做“cygnet”.However, not just anyone will be able to buy a Cygnet.然而，不只是所有人都能够购买小天鹅。...

cygnet的音标：cygnet的英式发音音标为：['sɪgnət]cygnet的美式发音音标为：['sɪɡnɪt]...

n.幼天鹅...