砹
1、一种属于卤族的放射性元素,原子序数85 ——元素符号At。
地球上最稀有的元素砹。
On Earth rarest element astatine.
自然界中最少的元素是爱(砹),最多的是情(氢)。两者的结合就是爱情。祝你新年爱情美满。
In the nature of love (at least element is Ai), is the largest (hydrogen). The combination of both is love. Wishing you a happy New Year's love.
自然界中最少的元素是爱(砹),最多的是情(氢)。两者的结合就是爱情。祝你新年爱情美满。
In the nature of love (at least element is Ai), is the largest (hydrogen). The combination of both is love. Wishing you a happy New Year's love.