Dirac's theory also predicted a negatively charged sister for the proton, called the antiproton.
狄喇克的理论还预言有一种质子的姐妹粒子,带负电荷, 叫做反质子.
辞典例句
Similarly the positively charged proton has a negatively charged antiparticle, the antiproton.
同样的,带正电荷的质子具有其带负电荷的反粒子—即反质子.
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