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- secure borders against attack 保证边界不受攻击
- Our defences must be reinforced against attack. 我们必须加强防御设施以抵御进攻。
- The officer in charge secured the camp against attack. 主管的军官保护营地，免受攻击。
- Extra man are needed to secure the camp against attack. 需要增加兵力以保护兵营免受攻击。
- Extra men are needed to secure the camp against attack. 需要增加兵力以保护军营免受攻击。
- A wall was built along the border to protect the country against attack. 沿着边境线垒起一道墙，以防御国家遭袭击。
- A family must defend its home against attack. 一个家庭必须保护其不受袭击。
- The old fortress was proof against attack. 那 古堡垒很坚固，能够抵御进攻。
- The village is defenceless against attack. 这个村庄毫无防御能力。
- They fortified the area against attack. 他们在这一地区构筑防御工事抵御进攻。
- The army is to defend our country against attack. 军队防卫我们的国家以免受攻击。
- The soldiers secured the camp against attack. 士兵保卫着营房免受攻击。
- Bush asked Congress to pass a comprehensive reform bill that would create a temporary worker program, resolve the status of immigrants already here, and secure borders. 布希要求国会通过一项可以产生临时工计画的综合改革法案，以解决已经在国内的移民者状态，并且使边界安全。
- Can the town be secured against attack? 能保护这个市镇不受攻击吗?
- Can the town be secured against attack ? 能保护这个市镇不受攻击吗?
- They needed more troops to defend the border against possible defended this vies. 他们需要更多的部队来保卫边境免受可能的攻击。
- A line of forts was built along the border,to protect the country against attack. 边境沿线均构筑了堡垒，以防外敌进攻。
- During times of war or danger, nations who fear that their country could be attacked or invaded try to seal their borders against any unwanted intruders. 在战争或危险的时刻，感到自己国家要被攻击或被侵略的人们，都会封锁他们国家的边境，以对付任何入侵者。
- A line of forts was built along the border to protect the country against attack. 边界沿线构筑了碉堡，以防敌人进攻该国。
- The act of defending against attack,danger,or injury. 防御保护以使不受攻击、危险或伤害的行为
