headship的复数形式怎么写？

I feel sure you'll be offered the headship.我坚信你会被邀请担任领导职务。the headship of the department部门领导的职位...

headship的音标：headship的英式发音音标为：['hedʃɪp]headship的美式发音音标为：['hɛdˌʃɪp]...

n.领导者或主管人的地位，职务，能力...