Saccus omphaloentericus
[医] 卵黄囊
🧩 词语组成解析
囊
🗣️ 情景例句
I didn't have the heart to tell her that she was not chosen.
我没有勇气告诉她说她没有入选。
When one is about to act, one must reason first.
凡事要先思而后行。
I found it on the floor.
在地板上找到的。