Noun:

1. the most desirable assets of a corporation;

   "their crown jewels figured prominently in the takeover attempt"
   

2. a precious stone that is a valuable part of a sovereign's regalia

crownn.王冠；王权；花冠；顶点；齿冠；克朗（丹麦、瑞典、捷克等国的货币单位）vt.加冕；使 ... 成王；居 ... 之顶；镶齿冠；使圆满；<口>打…的头部crown all涵盖一切,锦上添花

1. The crown jewels of this wilderness area, however, are the white Trinities, named for the white granite reminiscent of the Sierras.
   然而这片荒野上的御宝，却要数三色一体中的白色阿尔卑斯山，其白色的花岗岩颇具内华达山的风貌。