durationKK [ˋdʊˋreʃən] /ˈdʊˈɹeɪʃən/發音名詞1持續時間、期間The duration of the flight is about eleven hours.這趟航程的持續時間大約十一個小時。2時限、效期正式The contract specifies a duration of three years.合約明定期限為三年。片語1在整個期間、從頭到尾He stayed silent for the duration of the meeting.整場會議他從頭到尾都沉默不語。