Concave point
[计] 凹点
🧩 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
We haven't had any more news from the frontier, so we'll just have to be patiend.
我们还没得到来自前方的进一步消息，所以我们只有耐心等待。
It really hurts.
可真疼。
Oh, it's time to play games.
该运动运动去了。