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词汇 alpha particle
释义

alpha particle

Word family nounalphameticalpha particlealpha testalphaadjectivealphanumericadverbalphanumericallyverbalphasortalphatest
ˈalpha ˌparticle noun [countableC] 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〕
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