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单词 septennial
释义
sep·ten·ni·al (sĕp-tĕnē-əl)
adj.
1. Occurring every seven years.
2. Consisting of or continuing for seven years.
n.
An event that occurs every seven years.

[From Late Latin septennium, period of seven years, from Latin septennis, of seven years : septem, seven; see sept in the Appendix of Indo-European roots + annus, year; see at- in the Appendix of Indo-European roots.]

sep·tenni·al·ly adv.
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更新时间:2025/2/23 0:56:28