Triennial
[traɪ'enɪəl] or [traɪ'ɛnɪəl]
解释:
(a.) Continuing three years; as, triennial parliaments; a triennial reign.
(a.) Happening, coming about, or appearing once in every three years; as, triennial elections; a triennial catalogue; a triennial visitation.
(n.) Something which takes place or appears once in three years.
手打:莉莲
解释:
adj. continuing three years: happening every third year.—adv. Trienn′ially.
汉娜录入