It turns out that the weak interaction causes a kaon gradually to convert into its antiparticle, the antikaon, and then back again.
弱交互作用会使k介子逐渐变成反粒子──反k介子，然后又变回来。
词It turns out that the weak interaction causes a kaon gradually to convert into its antiparticle, the antikaon, and then back again.
弱交互作用会使k介子逐渐变成反粒子──反k介子，然后又变回来。
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