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	Vietnam Vietnamese Vietnam Veterans Memorial Vietnam War view viewer viewfinder viewpoint vigil vigilance vigilant vigilante vigilantism vigilantly vignette vigor vigorous vigorously vigour Viking vile vilely vileness vilification vilify

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