海关与边防保卫局 CBP
要塞保卫战塔防 Defense Of The Fortress
防卫、保卫 defend
小鸟防御-鸟蛋保卫战 Birds Defense-Eggs Protection
防写保卫 write-protect
保卫者塔防守城 Protector Tower
城区的安全防护和保卫 the defence of a city
环保防卫 Environmental Defence
保护和防卫 protection and defense
欧洲国家在保卫自己的利益，防卫真正的威胁方面倒是下了大功夫。
European countries spend quite enough to defend themselves — against real threats.
从地空导弹对所保卫目标的掩护能力、火力转移能力等方面，论述杀伤区远界与防卫效率的关系。
The relationship between Killing zone boundary and defense efficiency is expounded from the point of view of covering protected object capability by air-defense missile and its shift of fire.
机场外的环形防卫圈由警犬保卫著。
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