Concavo-concave
a. 两凹的, 两面凹洼的\\n[建] 两面凹的
🧩 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
but I have a feeling
但我觉得
I asked him to fix it for me, but he wouldn't.
我请他帮我修理，但是他不肯。
One half of his money and his goods shall be given to the city of Venice and the other half shall be given to the person he has tried to kill.
他的钱和财产的一半必须给威尼斯城，另一半必须给他企图杀害的人。