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
I want to welcome Harry and his daughter Michelle
我想对Harry和他女儿Michelle
Whoever said that is a liar.
无论谁说的，都是谎言。
was headed with a striking illustration of a lady in a state of considerable distress,
文章上方有一幅引人注目的插图，是一位表情沮丧的女子。