DIC_2_3.13.3.1 城牆、外郭、城垛(city wall, rampart, battlement)[br/]
DIC_2_3.13.3.5 城門(city gate)[br/]
DIC_2_3.13.3.5.1 門閂、閂(gate bar, bolt)[br/]
DIC_2_3.15.2.3.5 橫木、槓(bar, pole)[br/]