Valvulae coli
[医] 结肠瓣, 回盲瓣
🧩 词语组成解析
[医] 瓣, 瓣膜
n. 大肠杆菌
🗣️ 情景例句
What are you doing up this late?
这么晚了你还没睡在做什么？
Every Jack has his Jill.
有情人终成眷属。
Why not?
为什么不去？