Circulus umbilicalis
[医] 脐动脉丛
🧩 词语组成解析
[医] 环, 圈
🗣️ 情景例句
And this is Alexandra Pappas.
这位是Alexandra Pappas。
I invited him to come in, but he wouldn't.
我请他进来，但是他不肯。
No, you aren't. Oh, hello, Kate! Nice to see you!
不，你没迟到。噢，你好，凯特！很高兴见到你！