/traɪ'ʌmfl; traɪ`ʌmfl/
adj [usu attrib 通常作定语]
1 of or for a triumph 胜利的; 成功的; 庆祝胜利的
*a triumphal arch, ie one built to honour a victory in war 凯旋门（为纪念战争胜利而建）.
2 expressing triumph 表现成功或胜利的
*a triumphal chorus 凯歌大合唱.

adj [only before noun]
done or made to celebrate a victory
　a triumphal procession
　a triumphal arch