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单词 alpha particle
释义  ˈalpha ˌparticle noun [countable] technical  an atomic particle consisting of two protons and two neutrons that is sent out by some radioactive substances α粒子,阿尔法粒子〔包含两个质子和两个中子,由某些放射性物质释放〕ˈalpha ˌparticle nounChineseSyllable  
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更新时间:2024/6/29 16:56:58