Diffs
(diff 的复数) abbr. 扩散器（diffuser）；[数]微分；差速器（differential）
🗣️ 情景例句
How are you?
好吗？
I still need three more credits in Psych; maybe I'll take Ed Psych this term.
心理学我还需要三个学分。或许我在本学期修教育心理学。
'Do you always catch such an early train?' asked the inspector.
“您总是赶这样早的火车？”探长问。