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
Easy now. Easy does it. That's it.
放轻 ，不要紧 ，对了。
Do you have a ball point pen?
你有圆珠笔吗？
She was right! It was!
她说的对，画确实如此。