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
Thank you for your great service.
感谢你周到的服务。
Not getting the job was a terrible disap-pointment.
得不到那份工作，叫人失望极了。
You stupid jerk!
你这蠢猪！