self-defence

n.

自卫，正当防卫；[法]正当权利；自我辩解；

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. A weapon carried for self defence is quite different.
   以自卫为目的携带的武器有很大区别。

The psychology of self-defence: Self-affirmation theory
In self-defence: hexokinase promotes voltage-dependent anion channel closure and prevents mitochondria-mediated apoptotic cell death
Alcoholic beverages and adenomatous polyps of the sigmoid colon: a study of male self-defence officials in Japan.
War, Aggression and Self-Defence
War, Aggression and Self-defence
SELF-DEFENCE MODULE AND USE THEREOF
Epidermal growth factor receptor and DNA double strand break repair: The cell's self-defence
Notes on General Part of Criminal Law(10)Self-Defence and Necessity : Distinguishing Justification from Excuse
Barn swallow mobbing: Self-defence, collateral kin defence, group defence, or parental care?
Protecting a serial killer: pathways for perforin trafficking and self-defence ensure sequential target cell death.