Convexities
n. 凸状, 凸面( convexity的名词复数 )
🗣️ 情景例句
I know.
我知道。
The athletes competed for the honor of their country.
选手们为了国家的荣誉而互相竞赛。
Excuse the mess, Sam.This room's very untidy.
屋子很乱，请原谅，萨姆。