Convexities
n. 凸状, 凸面( convexity的名词复数 )
🗣️ 情景例句
Take it easy!
再见。
Who is speaking?
请问是谁打来的？
Excuse me. Can you tell me the way to the Sleeping Beauty Castle?
劳驾，你能告诉我到睡美人城的路吗？