actinide
英[\'æktɪnaɪd]
美[\'æktɪˌnaɪd]
基本释义
- n.
- 锕类
实用例句
Note 3 : Actinide abundance ratios may be applied to measurements of stellar ages.
注 3: 锕充足比率可用于测量恒星的年龄.
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英英释义
Noun
1. any of a series of radioactive elements with atomic numbers 89 through 103