gem/dʒem/名词难能可贵的人(或物);被人喜爱的人(或物);非常有用的人(或物)He's a real gem - you'd be a fool to break up with him.他可真是个宝贝——你得是个傻瓜才会想要跟他分手。(尤指切割成规则形状的)宝石She wore a beautiful gem on her necklace that sparkled in the light.她的项链上佩戴了一颗美丽的宝石,在光线下闪闪发光。想跟读,去练习