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词汇 septennial
词源

septennial adj.

1640s, "lasting or continuing seven years," with -al (1) + Latin septennium "period of seven years," from septennis "of seven years," from septem "seven" (see seven) + annus "year" (see annual (adj.)). Related: Septennially.

updated on May 11, 2022

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更新时间:2025/5/1 17:00:13