Convexities
n. 凸状, 凸面( convexity的名词复数 )
🗣️ 情景例句
I don't want to cut class.
我不想逃学。
Thank you for inviting me to speak at the dinner.
谢谢你邀请我共进晚餐。
In August, she was struck by a very heavy storm during which her rudder was torn away.
8月份“卡蒂萨克”号遭到一场特大风暴的袭击，失去了一只舵。