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
It's OK, lady. Take your time.
没关系， 太太。慢慢来。
That was a close call! We nearly hit that car.
真是好险阿，我们差点撞着那辆汽车。
But you still haven't explained what you're doing here.
啊，你还没有说你是来干什么的。