n.  大使 [+ to]

n.  〔体育项目、行业等的〕代表人物 [+ for]

• the US ambassador to Spain 

  美国驻西班牙大使

• He had heard that mules made good farm animals and he contacted the U.S. ambassador in Spain to ask about them.

  联系大使

• He has made some good films and he is a good ambassador for the industry.

  他拍摄过一些好电影，是这个行业的杰出代表。

BrE /æmˈbæsədə(r)/

NAmE /æmˈbæsədər/