Cdh
abbr. constant differential height 常微分顶点
🗣️ 情景例句
Come on! You'll hear about it.
来吧， 来听听。
A fool may give a wise man counsel.
愚者千虑，必有一得。
Then he sits and barks until someone lets him out.
这之后他就坐下汪汪叫起来，直到有人来把它放出去。