septemdecimal
adj.
"of seventeen years," in reference to cicadas, 1885, from Latin septemdecim "seventeen" ((see seven, ten) + -al(1). Related: Septemdecimally.
| 词汇 | septemdecimal | 
| 词根词缀 | Online Etymology Dictionary septemdecimal adj. "of seventeen years," in reference to cicadas, 1885, from Latin septemdecim "seventeen" ((see seven, ten) + -al(1). Related: Septemdecimally. | 
| 随便看 | 
英语词根词缀词典收录了54763条英语词根词缀词条,基本涵盖了全部常用英语词汇的词根、词缀及词根记忆法解析,是记忆英语词汇的必备工具。