Cdh
abbr. constant differential height 常微分顶点
🗣️ 情景例句
And be a true member of the Stewart family.
也真正成了Stewart家庭中的一员。
The end justifies (or sanctifies) the means.
只问目的，不问手段。
Before Annie Sullivan came to our house, one or two people had told my mother that I was simple-minded.
安妮·莎利文来到我们家之前，已有一两个人告诉我母亲，说我头脑简单。