laryngectomy的复数形式怎么写？

laryngectomy的音标：laryngectomy的英式发音音标为：[ˌlærɪn'dʒektəmɪ]laryngectomy的美式发音音标为：[ˌlærɪn'dʒektəmɪ]...

Objective To introduce a new surgical technique in tracheostomy following total laryngectomy.目的介绍一种新的全喉切除气管造口成形术.Objective To explore the related factors to pharyngocutaneous fistula after total laryngectomy.目的探讨全喉切除手术后咽...

n.喉头切除术...