concavity
🇺🇸
/kɑːnˈkævəti/
🇬🇧
/kɒnˈkævəti/
noun
R
A curved inward shape or surface.
The cave had a smooth concavity that echoed when you clapped.
这个洞穴有一个平滑的凹面，拍手时会回声。
R
An inward curve or bend.
The concavity of the spoon made it perfect for serving soup.
勺子的凹面使它非常适合盛汤。
translation
凹面, 凹形
词形变化
Plural
concavities