Nondifferentiable
不可微分的
🗣️ 情景例句
instead of you coming here.
而不是你到这儿来。
I wasn't born yesterday.
我又不是三岁小孩。
He may be conceited, ill-mannered, presumptuous or fatuous,
这些年轻人也许狂妄自负，举止无理，傲慢放肆，愚昧无知，