锕射气 meaning in Chinese
actinium emanation actinon
actiniumemanationactinon
acton (an)
an
Examples
- A radioactive , inert , gaseous isotope of radon , with a half - life of3 . 92 seconds
锕射气氡的一种放射性的，惰性的和气态的同位素，其半衰期为3 。 92秒
actinium emanation actinon
actiniumemanationactinon
acton (an)
an