Convexities
n. 凸状, 凸面( convexity的名词复数 )
🗣️ 情景例句
Fall is a great season because of all the wonderful colors.
秋天是个色彩缤纷的好季节。
Yes,it's mine.
是，是我的。
We should have been given the large quantity price.
你应该开大宗折扣价才是。