jewelBrE/ˈdʒuːəl/NAmE/ˈdʒuːəl/nounaprecious stone such as a diamond, ruby, etc.宝石SYNgem[usually pl.]piecesofjewelleryordecorativeobjectsthatcontainprecious stones珠宝首饰◆Thefamilyjewelsarelockedawayinasafe. 家里的珠宝首饰都锁在保险柜里。➡ see alsocrown jewelsasmallprecious stoneorpieceofspecialglassthatisusedinthemachineryofawatch(手表的)宝石轴承(informal) apersonorthingthatisveryimportantorvaluable宝贝;难能可贵的人;珍贵的东西➡ comparegem●thejewelintheˈcrownthemostattractiveorvaluablepartofsth王冠上的宝石;最有吸引力(或珍贵、有价值)的东西