jackboot
[ˈdʒækˌbut]
n.
（过膝的军用）长筒靴;
铁靴政策（强迫别人屈服的粗暴手段），压迫者;
例句:
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to be under the jackboot of a dictatorial regime
处在专制制度的铁蹄之下
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National culture was crushed under the invader's jackboot.
在侵略者的残酷统治之下,民族文化遭到蹂躏.
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It has a music and flats . It is a martial music. It has a jackboot rhythm.
它的乐曲不分升凋降调, 是一首军乐曲, 是长简靴的节奏.