castigation的复数形式怎么写？

Some people believe that work is a better means of order and discipline than chain and castigation.有些人认为要使犯人遵纪守法劳动是比镣铐和惩罚更有效的手段....

castigation的音标：castigation的英式发音音标为：[ˌkæstɪ'ɡeɪʃn]castigation的美式发音音标为：[ˌkæstɪ'ɡeɪʃn]...

n.严厉的责骂、批评或惩罚，修订...