concavity

🇺🇸 /kɑːnˈkævəti/ 🇬🇧 /kɒnˈkævəti/
詞頻
難度
標籤 RARE
noun
R

A curved inward shape or surface.

The cave had a smooth concavity that echoed when you clapped.

這個洞穴有一個平滑的凹面,拍手時會有回聲。

R

An inward curve or bend.

The concavity of the spoon made it perfect for serving soup.

湯匙的凹面使它非常適合盛湯。

translation

n. 凹面, 凹形

詞形變化

Plural concavities