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
Western countries have evry strict visa requirements.
在西方国家有严格的签证要求。
Who has no haste in his business mountains to him seem valleys.
做事不急，履险如夷。
That's right! A friend gave me a photo. I wanted to show it to you.
对！一位朋友给了我一张照片。我要拿给你看看。