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
Did you know
你知道
Do you live up the street?
你在街头居住吗？
I have often tried to conceive of what those pages might contain,
我常常试图想像这些纸上所写的东西，