elementary particle
柯林斯詞典
1. N any of several entities, such as electrons, neutrons, or protons, that are less complex than atoms and are regarded as the constituents of all matter 基本粒子 (Also called fundamental particle)
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1. N any of several entities, such as electrons, neutrons, or protons, that are less complex than atoms and are regarded as the constituents of all matter 基本粒子 (Also called fundamental particle)