Diffs
(diff 的复数) abbr. 扩散器（diffuser）；[数]微分；差速器（differential）
🗣️ 情景例句
You'll need to hurry up, or you'll miss the train.
你得快点，否则赶不上火车。
He is not in now.
他现在不在这里。
These bags are heavy.
这是些重的盒子。