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
by cutting all the cultural programs.
是透过取消所有的文化活动。
She doesn't come as ofter as she used to.
她现在已经不像以前那样常来了。
To this pleasure camping gives an exquisite refinement.
因此开车去露营会给这种快乐意识增加一种优雅意境。