气球飞哇
millennium-old salt capitalmillennium-old是有千年历史的意思，正如century-old是有百年历史的，比如century-old store百年老店
莫奈小兔
给你我8年级的英语roots:annu,ennu millennium : a period of 1000 years. annual: yearly, done every year biannual: happening twince a year biennial: happening every two years annuity: annual payment of income of dividends anniversary: the yearly recurrence of anotable date 还有很多
