pentennial

形容词 adj.
中文释义

英文释义

形容词 adj.
  1. Synonym of quinquennial: occurring every five years. not-comparable,rare
    — The family had plans to attend the pentennial reunion.

词源

From Ancient Greek πέντε (pénte, “five”) + Latin annus (“year”) + -ial.
0 次浏览 数据来源: Wiktionary