| 单词 | bissextile |
| 释义 | Word Frequency bissextile(bɪˈsɛkstaɪl) adjective 1. (of a month or year) containing the extra day of a leap year noun 2. a rare name for leap year Word origin C16: from Late Latin bissextilis annus leap year, from Latin bissextus, from bi-1 + sextus sixth; referring to February 24, the 6th day before the Calends of March |
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