防御工事

[fáng yù gōng shì]

• fortification
• contravallation
• propugnaculum
• fortifications
• barbacan
• barbican
• defences

参考释义

防御工事

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例句

1. 这些防御工事都是上次战争时修筑的。
   These fortifications were all built during the last war.
2. 敌人冲破了我们的防御工事。
   The enemy brushed aside our defences.
3. 防御工事已筑好，准备对付敌人进攻。
   The defences are kept in readiness for any enemy attack.
4. 这些防御工事是上次战争时修建的。
   These fortifications were built during the last war.