Convexities
n. 凸状, 凸面( convexity的名词复数 )
🗣️ 情景例句
You sound like something's bothering you, Susan.
听起来好像你有什么心事， Susan？
If anyone here does one of these things, let me know.
这儿如果有人也喜欢打羽毛球或读书，请告诉我。
My name is Gao Hui. What is your name?
我的名字是高惠，你叫什么名字？