self-defense

n.

正当防卫；自卫；

1. He said that he killed the man in self defence.
   他说是因自卫而杀死那个人的。
2. In defense it hisses and vibrates its tail but rarely strikes.
   自卫时发出嘶嘶声，摆动尾部，但不进攻。
3. Justifiable defense is the act being exempted from crimes.
   正当防卫不属于犯罪行为。
4. The export of such weapons should help the recipient nation increase its appropriate defense capacity.
   武器出口应有助于接受国的正当防卫能力。

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