Concave function
[计] 凹函数
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
🗣️ 情景例句
They really cleaned me out.
他们把我洗劫一空。
If the beard were all,the goat might preach.
如果长胡就好，山羊也可讲道。
He was a famous professor of physics.
他是一位著名的物理教授。