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
How long will you keep the car?
这车你要用多久？
That man is a teacher,isn't he?
那个人是位教员，对不对？
'But it isn't perfume,' I said.'It's hair gel. '
“不，这不是香水，”我说，“是发胶。