单词 tridiurnal 释义 tridiurnal, a.|tradanl|[f. tri- 3 + diurnal.]a. Comprising three days.1828J. Sterling Ess., etc. (1848) II. 45 Various minor periods,..monthly, weekly, tridiurnal, and daily.b. Occurring three times a day.1884Athenum 10 May 602/1 He....