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
Claim concerning transportation should be referred to the shiping company.
涉及运输问题，应当向船运公司提出索赔。
I beg your pardon.
请原谅。
Everybody says I must be mad and they are probably right.
大家都说我肯定是疯了，也许他们说的是对的。