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
with my children and grandchildren.
与儿子、 孙子们在一起。
You think this is funny?
你认为这个很有趣？
There is a television in the room.
客厅里有台电视机。