noun [专属名词] 宝石；珠宝首饰；难能可贵的人，珍贵的东西；（手表的）宝石轴承
If you describe something or someone as a jewel, you mean that they are better, more beautiful, or more special than other similar things or than other people. 宝贝 (指宝贵的物或难能可贵的人)
verb [vt. 及物动词] 用宝石装饰；把宝石承轴装进手表
But AIA is the crown jewel. 但AIA是皇冠上的宝石。
