lustrum
英式音标：lustrum怎么读
美式音标：lustrum怎么读
lustrum词义
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n. 五年时间；人口普查
词态变化
复数: lustrums; lustra;
lustrum英文词源
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- lustrum (n.)
- (plural lustra), "purification of the Roman people every five years," 1580s, from Latin lustrum, perhaps from root of luere "to wash," related to lavere (see lave). Or [Watkins, Klein] from PIE *leuk-stro-, from base *leuk- "light, brightness."