Nondifferentiable
不可微分的
🗣️ 情景例句
Time heals all sorrows.
时间会治愈一切悲哀的。
Would you like to leave your name and number?
你想要留下你的名字和电话吗？
We realized that they must have become unduly frightened by the rising flood,
我们意识到他们一定是被不断上涨的洪水吓坏了。