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
and he's very unhappy about not working.
他对没有工作感到怏怏不乐。
Where drums beat,laws are silent.
战鼓一响，法律无声。
at eighty can knock us out, and into our grave.
能到了80岁可能会使我们一蹶不振而进入坟墓。