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
Did you see what she was wearing?
你看到她穿的是什么？
Deeds are fruits; words are but leaves.
行动是果实，言语只是树叶而已。
Are there any houses in the picture?
画里面有房子吗？