actiniums

[US]/ˈæktɪnɪəmz/
[UK]/ˈæk-tɪn-ˌiəm-z/

Translation

n.一种原子序数为89的锕系元素，放射性物质。

Phrases & Collocations

actinium-based scintillators

基于 radium 的闪烁体

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