paper clip的复数形式怎么拼写？

n.纸夹，回纹针...

He scrounged around in his desk drawer for a paper clip.他在书桌抽届里翻来翻去找纸夹.She fastened the papers together with a paper clip.她用曲别针把文件别在一起.The letters were held together with a paper clip.信是用一枚回形针夹在一起的....

paper clip的音标：paper clip的英式发音音标为：['peipə klip]paper clip的美式发音音标为：['peɪpər klɪp]...