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
A workaholic lives to work, rather than works to live.
这种人活着是为了工作，并不像其他人工作是为了生活。
It's a pen.
是支笔。
Now have one of these. It has nuts in it.
现在吃个这种的。里面放有果仁。