belle

belle
/bel; bɛl/ n
beautiful woman or the most beautiful woman in a group, etc 美女; 艳压群芳的美人
    the belle of the ball, ie the most beautiful woman present at a dance 舞会之花（舞会上最美的女子）
    the belle of New York 纽约美人.

牛津英汉双解词典