| 释义 |
DEFINITIVE EXAMPLES 权威例句〔enrich〕Physics To increase the amount of one or more radioactive isotopes in (a material, especially a nuclear fuel).【物理学】 添加元素：增加一种同位素或更具有放射性的核素的数量于（一种物质，尤其是核燃料）美国传统〔nuclein〕Any of the substances present in the nucleus of a cell, consisting chiefly of proteins, phosphoric acids, and nucleic acids.核素：出现在细胞核中的物质，主要由蛋白质、磷酸和核酸组成美国传统〔radionuclide〕A nuclide that exhibits radioactivity.放射性核素：表现出放射性的核素美国传统 |