Caval valves
[医] 下腔静脉瓣
🧩 词语组成解析
[医] 腔静脉的
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
Let me know if you need anything.
假如你需要什么就通知我。
Just pretend I didn't say anything.
就当我什么也没说过。
On which ones?
哪几个品目呢，