extortioner的复数形式为：extortioners...

n.勒索者，敲诈者...

extortioner的音标：extortioner的英式发音音标为：[ɪks'tɔ:ʃənə]extortioner的美式发音音标为：[ɪk'stɔʃənə]...

The extortioner does not practise in the home.流氓不在自己家里敲诈勒索....