n.[化]錒

But was pulls out empties entire heart to love your actinium. 而是掏空了整個(gè)心在愛你錒。

Did you know that, my Germany wants your happy actinium how diligently. 尓知県知道

Other radioactive elements have been discovered since: actinium, radiothorium and mesothorium, ionium , etc. 自那以后發(fā)現(xiàn)的其他放射性元素有：鋤、放射性釷和新針、鎳，等等。

Other radioactive elements have been discovered since: actinium,radiothorium and mesothorium,ionium ,etc. 自那以后發(fā)現(xiàn)的其他放射性元素有：鋤、放射性釷和新針、鎳，等等。

Either of two decay products of thorium,mesothorium I,an isotope of radium,or mesothorium II,an isotope of actinium. 新釷釷的兩種放射性生成物之一，即新釷1號，它是鐳的同位素，或新釷2號，它是錒的同位素

n.[化]鏷