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
The price. Isn't it possible to give us even a little more discount?
价格问题。难道不能多打点折扣吗？
I wake my sister up.
我叫醒我妹妹。
Why not? His home isn't far from here. Let's go.
为什么不呢？他家离这儿不远。我们走吧。