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
I know it well.
我非常清楚。
How about feed-back from your retailers and consumers?
你们的零售商和消费者的反映怎样？
What is the minimum we would have to order.
那么我们至少得订多少呢。