释义 |
DEFINITIVE EXAMPLES 权威例句〔atomic mass〕The mass of an atom, usually expressed in atomic mass units.原子质量:原子的质量,通常用原子量单位来表示美国传统〔heavy〕Physics Of or relating to an isotope with an atomic mass greater than the average mass of that element.【物理学】 重的:原子质量比该元素的平均原子质量重的同位素的或与之有关的美国传统〔isobar〕Any of two or more kinds of atoms having the same atomic mass but different atomic numbers.同量异位素:两种或各多种有相同原子质量但却有不同的原子序数的原子中的任一种美国传统 |