Diff n
[计] 纵坐标差
🧩 词语组成解析
abbr. 扩散器（diffuser）；[数]微分；差速器（differential）
🗣️ 情景例句
Some wild animals just cannot be tamed.
一些野生动物无法驯服。
Kate is smarter than I.
凯特比我聪明。
As long ago as the fourteenth century,
早在14世纪，