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
She's through with her new boyfriend.
她跟新交的男朋友吹啦。
A light purse makes a heavy heart.
曩中无钱心事重。
And the worst?
那么最不喜欢的呢？