资料来源 : pyDict

[物] 弱相互作用(基本粒子之间的一种基本相互作用)

资料来源 : WordNet®

weak force
     n : (physics) an interaction between elementary particles
         involving neutrinos or antineutrinos that is responsible
         for certain kinds of radioactive decay; mediated by
         intermediate vector bosons [syn: {weak interaction}]