Convexities
n. 凸状, 凸面( convexity的名词复数 )
🗣️ 情景例句
and shipped it to my children in New York.
运到我孩子那儿去了 他们住在纽约。
Wherever you go you'll meet a Chinese.
不管你到哪里，你总会遇到一位中国人。
Listen to this!'Karen Marsh:
“卡伦。马什：