actiniums

[US]/ˈæktɪnɪəmz/
[UK]/ˈæk-tɪn-ˌiəm-z/

Translation

n.一種原子序數爲89的錒系元素，放射性物質。

Phrases & Collocations

actinium-based scintillators

基於 radium 的閃爍體

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