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
A generation raised on junk food could turn out mentally vulnerable.
在零食中长大的一代人，注定精神脆弱。
Please take your time.
请慢慢来。
but rarely with bicycles made for two.
不过双人自行车则不容易看到。