exultantly       
adverb  formal uk/ɪɡˈzʌl.tənt.li/ us/ɪɡˈzʌl.tənt.li/
 (尤指因别人失败而)欢欣鼓舞地,兴高采烈地
in a very happy way, especially about someone else's defeat or failure
  The fans headed exultantly home.  球迷们欢欣鼓舞地回家了。 
 She was exultantly singing the team anthem.  她兴高采烈地唱起了队歌。 
 See: exultant
 - More examples
 - Conservatives were exultantly claiming their strategy had worked.
 - The woman cried out exultantly.
 - She high-fived exultantly on every possible occasion.