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
Can I tell him that?
我可以把这消息告诉他吗？
Do you usually play piano during the holidays?
你通常在假日期间弹钢琴吗？
Could you ask him to ring me, please? My number is 181 584 9662.
麻烦你请他给我打个电话来，我的号码是181 584 9662。