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
Let's see some action!
赶快行动起来吧！
To wait impatiently for the late bus
焦急地等着迟迟不来的公车
What did you have?
你们吃了什么？