Valvulae venae cavae inferioris
[医] 下腔静脉瓣
🧩 词语组成解析
[医] 瓣, 瓣膜
vena的复数
🗣️ 情景例句
How is everyone in your family?
全家都好吗？
I wonder if it is possible to arrange shopping for us.
我想能否在我们访问结束时为我们安排一点时间购物。
What happened next?
跟着发生了什么事？