Concavity
n. 中央凹陷, 凹洼, 凹曲线\\n[医] 凹, 凹面
✅ 同义词
📖 牛津释义
concavity
n
(a) [U] quality of being concave 凹状; 凹形.
(b) [C] concave surface 凹面.
🏥 医学释义
凹面，凹度
🗣️ 情景例句
I'm so sorry.
很抱歉。
Money is the sinews of war.
无钱莫打仗。
Whichever you choose, you won't be satisfied.
不论你选择哪一个，你都不会满意。