的意思 impreg

1. The fortress was thought to be impregnable, but the enemy found a way to breach its walls.
这座堡垒被认为是坚不可摧的，但敌人找到了突破它墙壁的方法。

2. The soldiers were trained to defend against impregnable attacks from all sides.
士兵们接受了训练，以抵御来自各个方向的难以攻破的攻击。

3. Despite their best efforts, the team could not penetrate the impregnable defense of their opponents.
尽管他们尽了最大努力，但队伍无法突破对手的坚不可摧的防御。

4. The security system in place was impregnable, ensuring the safety of the valuable artifacts.
现有的安全系统是坚不可摧的，确保了珍贵文物的安全。

5. The castle's high walls and strong gates made it impregnable to outside invaders.
这座城堡的高墙和坚固的门使得它对外来入侵者是坚不可摧的。

6. The hacker attempted to breach the impregnable firewall, but was unsuccessful.
黑客试图破解坚不可摧的防火墙，但没有成功。