| 释义 |
Social Security Number ˌSocial Seˈcurity ˌNumber (abbrev. SSN) noun a number that the US government gives to all working people so that they become part of the welfare system. There is a similar system in the UK, by which people are given a National Insurance Number. → see also FICA, social securityˌSocial Seˈcurity ˌNumber nounSyllable |