Certainly

来自Big Physics
Safin（讨论 | 贡献）2022年4月26日 (二) 23:09的版本 （建立内容为“Category:etymology == wiktionary == [https://en.wiktionary.org/wiki/certainly ref] certain +‎ -ly == etymonline == [https://www.etymonline.com/word/cer…”的新页面）
(差异) ←上一版本 | 最后版本 (差异) | 下一版本→ (差异)

wiktionary

ref 

certain +‎  -ly


etymonline

ref

certainly (adv.)

"without doubt or question, assuredly," c. 1300, from certain + -ly (2).

取自“https://www.bigphysics.org/index.php?title=Certainly&oldid=19279”