alpha particle
短语[化] α粒; α粒子; α质点 [医] α-粒子
发音
US
词形变化
alpha particles
复数
alpha particles
释义与例句
n.
-
1.
A doubly positively charged nucleus of a helium-4 atom (consisting of two protons and two neutrons), emitted as a consequence of radioactivity.
α粒子
阿尔发粒子
阿伐粒子
物理Holonyms: alpha ray, alpha radiation