Convexities
n. 凸状, 凸面( convexity的名词复数 )
🗣️ 情景例句
The weather's been very hot lately.
最近天气总是很热。
While we were having breakfast,John was talking on the telephone.
当我们正在吃早餐时，约翰正在打电话。
The Sawyer live at 87 King Street.
索耶一家住在国王街87号。