Convexities
n. 凸状, 凸面( convexity的名词复数 )
🗣️ 情景例句
Off-season clothes are usually sold at very attractive prices.
换季衣服的售价通常挺吸引人。
I'm going to use three pounds.
我要用三磅。
My grandpa died of hunger in the old days.
我爷爷在旧社会死于饥饿。