self-defense

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。

Why and how are peptide-lipid interactions utilized for self-defense? Magainins and tachyplesins as archetypesSoftware self-defense systems and methodsSelf-Defense: The Fruit Fly StyleCisplatin Resistance: A Cellular Self-Defense Mechanism Resulting from Multiple Epigenetic and Genetic ChangesShield for self-defense provided with a spray deviceWhy Do States Publicly Invoke the Right of Self-Defense During Wars?: The UNSC as a Paralegal Institution and Diplomatic Message Tra...Pathogen self-defense: mechanisms to counteract microbial antagonism,.In self-defense: Hexokinase promotes VDAC closure and prevents mitochondria-mediated apoptotic cell deathArmed Resistance to Crime: The Prevalence and Nature of Self-Defense with a GunLow molecular weight hyaluronic acid increases the self-defense of skin epithelium by induction of beta-defensin 2 via TLR2 and TLR4.