单词 | 防御区 |
释义 | 〔sector〕A division of a defensive position for which one military unit is responsible.防御区:防御点内由一个军事单位负责的部分〔enceinte〕An encircling fortification around a fort, castle, or town.围城,城廓:环绕堡垒、城堡、城镇的防御区 |
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