Metals,Actinoid

《英文msh詞典》Metals,Actinoid
[同義詞] Metals,Actinoid
[主題詞] Actinoid Series Elements
[中文釋義] 金屬,錒系
[英文釋義] A series of radioactive elements from ACTINIUM,atomic number 89,to and including LAWRENCIUM,atomic number 103.