Home/quatercentennialquatercentennial/kwot-er-sen-ten-ee-uhl/US // ˌkwɒt ər sɛnˈtɛn i əl //五年纪念,五年纪念日,五周年纪念,五周年Definitionsadj.形容词 adjective1: pertaining to or marking a period of 400 years.Level 5Browse all words →