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
I haven't made a dent in my paperwork.
我的那些文件没怎么动。
Last year, he applied to Harvard University for a scholarship and succeeded in passing a difficult examination.
去年，他向哈佛大学申请奖学金并通过了一个很难的考试。
Then you'll see the sign for the rest rooms.
你就可以看到厕所的牌子了。