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
I care about more lockers for the teachers.
我关心教师要有更多的储物柜。
No man is wise at all times.
智者千虑，必有一失。
The development of the modern beehive in 1851 made it possible to design experiments to research the language of honey bees.
1851年现代蜂箱研制出来后，这才有可能来设计实验，研究蜜蜂的语言。