lustrum /'lʌstrәm/ 📖 中文释义 n. 人口普查, 五年时间 🔗 释义中的汉语词 人口普查 📘 English Definition(英文释义) n. a period of five yearsn. a ceremonial purification of the Roman population every five years following the census ← lustrousness L 字母词表 lustrums →