jackboot
/ˈdʒækbuːt/noun
1- a large leather military boot reaching to the knee长统军（或马）靴。
1.1
- in sing. used as a symbol of cruel or authoritarian behaviour or rule专制压迫; 高压手段：
a country under the jackboot of colonialism.
在殖民主义铁蹄下的国家。
派生词