astatine

/as-tuh-teen, -tin/US // ˈæs təˌtin, -tɪn //UK // (ˈæstəˌtiːn, -tɪn) //

砹,砹砹,哮喘病人

Definitions

n.名词 noun

1
Chemistry.
- : a rare element of the halogen family. Symbol: At; atomic number: 85.