flat-topped crest

例句：

1. 1. The king's flat-topped crest was a symbol of his authority.
   国王的平顶冠冕是其权威的象征。
2. 2.The ancient Greeks believed that the flat-topped crest on their helmets represented victory.
   古希腊人相信他们头盔上的平顶冠冕代表着胜利。
3. 3. The crest of the Order of the Garter is a symbol of honor and tradition.
   加特弗尔骑士团的纹章象征着荣誉和传统。