Diff
abbr. 扩散器（diffuser）；[数]微分；差速器（differential）
🗣️ 情景例句
I'm calling for your assistance.
我打电话是要您帮助我。
Easy to please.
知足常乐。
It was difficult not to be tempted.
要想不为这些东西所动心是很困难的。