noun 下载 🔗分享 五年一度的人口普查后的祭祀, 洗礼。 A ceremonial purification of all the people, performed every five years after the taking of the census; a lustration. Examples : "In ancient Rome, the lustra, a religious purification ritual, occurred every five years after the census to cleanse the population of any impurities. " 在古罗马,每五年一次的人口普查之后都会举行“涤罪祭”,这是一种宗教净化仪式,旨在洗涤民众身上的任何不洁。 ritual religion culture history 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 五年期,五年。 (by extension) A period of five years. Examples : "The school's new library building project is scheduled for completion within the next lustrum. " 学校新图书馆大楼项目的计划完工时间是在下一个五年期内。 time number period 与AI对话词汇游戏阅读练习