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
if he spends less on the cultural programs.
假如他在这文化活动上减少开支的话。
I was so angry that I could hardly speak.
我气得几乎说不出话来。
There is no doubt about it.
那是毫无疑问的。