单词 | isotopes |
例句 | DEFINITIVE EXAMPLES 权威例句〔emanation〕Chemistry Any of several radioactive gases that are isotopes of radon and are products of radioactive decay.【化学】 射气:几种氡的同位素的放射性气体,是放射性物质衰变的产物美国传统〔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〔hydrogen bomb〕An explosive weapon of enormous destructive power caused by the fusion of the nuclei of various hydrogen isotopes in the formation of helium nuclei.氢弹:一种爆炸性武器,具有极大的破坏力,这种破坏力由不同的氢同位素原子核构成氦原子核时所产生的核聚变引起美国传统 |
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