Home/vicennialvicennial/vahy-sen-ee-uhl/US // vaɪˈsɛn i əl //UK // (vɪˈsɛnɪəl) //转年,沧年,沧州,沧桑岁月Definitionsadj.形容词 adjective1: of or for 20 years.: occurring every 20 years.Level 5Browse all words →