Concavo-convex
a. 凹凸的, 一面凹一面凸的\\n[化] 凹凸的
🧩 词语组成解析
convex
['kɔn'veks]
adj. 凸的，凸面的;凸状;凸形;
🗣️ 情景例句
We needed the money.
我们当时需要钱。
What do you plan to do tomorrow?
你计划明天做什么？
The Indian answered:No, madam. You don't understand! You're all after me! I'm the doctor!
“不，夫人。你不懂！你们所有的人都在我后面！我是医生！”