字典词典单词成语造句名言诗词古籍小说

lepton

英 ['leptɒn]

n. 轻粒子（希腊的货币单位，古希腊的最小硬币）

英文词源

lepton (n.): elementary particle of small mass, 1948, from Greek leptos "small, slight, slender, delicate" (from lepein "to peel," from PIE *lep-; see leper) + -on. Also the name of a small coin in ancient Greece, from neuter of leptos

双语例句

1. When a neutrino transforms a quark, a lepton is emitted.: 当中微子使一种夸克转化为另一种夸克时,会发射出一个轻子.

2. There is a lepton which is neutral, called a neutrino.: 有一个轻子是中性的, 叫做中微子.

3. The antimuon decay also conserves the total light and heavy lepton numbers.: 在反μ子衰变中,总轻轻子数和总重轻子数也是守恒的.

4. This work is one of the series , which studies the lepton identificationin the BES ( Beijing Spectrometer ) in detail.: 这项工作是详细研究北京谱仪 ( BES ) 轻子识别的一部分.