Annulus umbilicalis
[医] 脐环
🧩 词语组成解析
n. 环, 环形物, 体环\\n[化] 环形缝; 环隙
🗣️ 情景例句
You don't know up from down.
你黑白不分。
Well, I'm sorry you have to leave so early.
哦，很遗憾，你非得这么早走不可。
I determined that nothing should be changed.
我决定什么都不改变。