单词triduum
n.: 三天网络: 逾越节三日庆典
三天
复数：triduums
I want to take this opportunity to thank you all for your active and fervent participation in the Liturgies of the Triduum.
我想藉此机会感谢各位在复活节三日庆典礼仪中积极和热情的参与。