国家有义务保护本国公民不受外敌侵犯。
The state has a duty to protect its citizens against external enemies.
这个国家从未被外敌征服过。
古人从这里射箭，防御外敌。
The ancients shot their arrows in order to fight the enemies.
边境沿线均构筑了堡垒，以防外敌进攻。
A line of forts was built along the border, to protect the country against attack.
此外，克兰诺格也比较便于抵御外敌进攻。
她们不需要去猎杀动物、抵御外敌或是换灯泡。
She was never expected to hunt animals, fight enemies or change light bulbs.
他们的职责是保卫国家不受国内外敌人的侵害。
Their duty is to defend their country against both domestic and foreign enemies' attack.
他们的职责是保卫国家不受国内外敌人的侵害。
Their duty is to defend their country against both domestic and foreign enemies' attack.
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