ambassador
/æmˈbsədə(r); æm`bæsədɚ/ n
1 diplomat sent from one country to another either as a permanent representative or on a special mission 大使; 使节
the British Ambassador to Greece 英国驻希腊大使. Cf 参看 consul 1, High Commissioner (high1).
2 authorized representative or messenger 经授权的代表或使者.