单词	alpha particle
释义	alpha particleˈalpha ˌparticle noun [countable] technical an atomic particle consisting of two protons and two neutrons that is sent out by some radioactive substances
随便看	field glasses field goal field hockey field hospital Fielding, Henry field marshal fieldmouse field officer Fields, Gracie fieldsman field sports Fields, W.C. field test field-test Field, The field trip fieldwork fieldworker fiend fiendish fiendishly fiendishness Fiennes, Ranulph fierce fiercely

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