Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/63b269d5773b6530ba47b04070c7c63d.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 elementary particle英英字典_elementary particle剑桥英语解释_elementary particle柯林斯英文解释_食材铺反向词典
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)