Amphicoelous
a. [动]两端或两面皆凹的\\na. [动](鱼的脊椎骨等)两凹的
🔁 扩展释义
【医】 两[边]凹的
🗣️ 情景例句
We'll call on him in any case.
无论如何，我们都要去拜访他。
I think it's about time we got going.
我想差不多是该告辞的时候了。
You will not have to spend the next few days recovering from a long and arduous journey.
用不着因为漫长的旅途的辛苦而花几天时间休息来恢复精神。