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
You may pick as many apples as you please.
你爱摘多少苹果就摘多少。
Every mother's child is handsome.
老王卖瓜，自卖自夸。
I regret to inform you that we are unable to offer you employment.
很遗憾地告诉你，我们无法雇用你。