Nondifferentiable
不可微分的
🗣️ 情景例句
The work was turned over to the secretary.
这项工作移交给了秘书。
I'm a good pianist.
我是一位了不起的钢琴家。
They are not anxious social climbers, and they have no devotion to material things.
他们不热衷于向上爬，也不一味追求物质享受。