exterminator的复数形式怎么写？

n.扑灭的人，害虫驱除剂...

You're an exterminator charged with examining a house for bugs.您装满了杀虫剂准备清除屋里的臭虫.A: By the way, when was the the exterminator was here?顺便一提,灭蟑螂 、 老鼠的人上次是什么时候来的?The exterminator disinfests the house.杀虫剂驱除了房子里的害虫....

exterminator的音标：exterminator的英式发音音标为：[eks'tɜ:mɪˌneɪtə]exterminator的美式发音音标为：[ɪk'stɚməˌnetɚ]...