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
the places, the people--mostly the people.
美国的一些地方， 人民， 大部分的人。
After you think it over,please let me know what you decide.
在你考虑它以后，请让我知道你决定什么。
It was your turn to wash them yesterday.
昨天轮到你把它们洗干净。