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 keep eating you'll be as big as a house.
如果你一直吃下去，你会胖得像栋房子。
Times have changed.
此一时也，彼一时也。
No, I think it's open. Look!
不，我想开着呢！你看。