Convexo-concave
a. 一面凸一面凹的\\n[建] 凸凹的
🧩 词语组成解析
concave
['kɔn'keiv]
n. 凹面，成凹形;
adj. 凹的;
vt. 使成凹形;
🗣️ 情景例句
The interview and conversation between us in Beijing are quite useful and inspiring.
我们在北京的会面和谈话是十分有益和令人鼓舞的。
You'll pay for this.
我会找你算帐！
Let's get together again.
改天再聚聚。