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
Could you put that into more specific terms?
您能不能说得明确一点？
As far as I'm concerned, you can stay out all night.
对我来说，你可以整晚都在外面。
although what impression any other civilization would thus get from us is best left unsaid.
至于其他文明行星对我们地球会有什么印象，还是不说为好。