/ˈdʒu:bɪli: ||; ˈdʒubəˌli/noun [C] a special anniversary of an event that took place a certain number of years ago, and the celebrations that go with it 周年纪念；周年纪念庆祝活动: It's the company's golden jubilee this year (= it is fifty years since it was started). 今年是公司成立五十周年纪念。 ☞ There is also a silver jubilee (25 years) and a diamond jubilee (60 years). 25周年纪念称为silver jubilee，60周年纪念叫做diamond jubilee。