noun🔗Share反粒子，逆粒子 A subatomic particle corresponding to another particle with the same mass, spin and mean lifetime but with charge, parity, strangeness and other quantum numbers flipped in sign; a particle that has a reversed world line to another."When a high-energy collision creates an electron, it almost always creates its corresponding antiparticle, a positron, at the same time. "当高能碰撞产生一个电子时，几乎总是会同时产生它的对应反粒子，也就是正电子。physicsscienceenergyChat with AIVocabulary GamePractice Reading
