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 you're not sure, then the answer should probably be no.
如果你不确定，那么答案可能就是“不”了。
Weeds want no sowing.
杂草不需种。
I'll have to go now. Someone wants to use the phone. All the best.
现在我得挂电话了。有人想用电话。祝你一切都好。