Ds-

名词 ds-:

1. a radioactive transuranic element
   同义词：darmstadtium, Ds, element 110, atomic number 110
2. the bureau in the State Department that is responsible for the security of diplomats and embassies overseas
   同义词：Bureau of Diplomatic Security, DS
3. an honorary degree in science
   同义词：Doctor of Science, DS, ScD