单词 | Metals,Actinide |
释义 | Metals,Actinide《英文msh词典》Metals,Actinide [入口词] Metals,Actinide [主题词] Actinoid Series Elements [英文释义] A series of radioactive elements from ACTINIUM,atomic number 89,to and including LAWRENCIUM,atomic number 103. |
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