gravedigger的复数形式怎么写？

gravedigger的音标：gravedigger的英式发音音标为：['greɪvdɪgə(r)]gravedigger的美式发音音标为：['ɡrevˌdɪɡɚ]...

n.挖墓人，埋葬虫（一种甲虫）...

The gravedigger filled the grave.掘墓人把墓穴填上。I'm a poor gravedigger.我是个穷掘墓人!Like Hamlet's gravedigger, markets are inured to grief.正如《哈姆雷特》(Hamlet)中的掘墓人一样, 市场对不幸已经麻木....