解释
- n. 五；五个一组；五年间；五价物
※ 提供单词"pentad"的中文意思、发音示范及音标对照，中英文词源、例句和用法等。
英文词源
- pentad (n.)
- 1650s, from Greek pentas (genitive pentados) "group of five" (see five). Meaning "period of five years" is from 1880; meaning "period of five days" is from 1906, originally in meteorology.