Differentiable
[计] 可微的
🗣️ 情景例句
Please accept my sincere apology.
请接受我诚心诚意的道歉。
Which one do you like?
你喜欢哪一个？
Two of his assistants had been working busily since eight o'clock and had only just finished.
他手下两名店员从早上8点就开始忙碌，这时刚刚布置完毕。