Amniotic navel
[医] 羊膜脐
🧩 词语组成解析
a. 羊膜的\\n[医] 羊膜的
navel
['neivəl]
n. 脐，肚脐;中央，中心;
🗣️ 情景例句
I'd love to, but I have to be up early tomorrow.
我非常感谢，可是明天我得早起。
We are supposed to help each other.
我们理应彼此帮助。
They may also have used wood and skins, but these have rotted away.
他们也可能用过木头和兽皮，但这类东西早已腐烂殆尽。