Venous valves
[医] 静脉瓣
🧩 词语组成解析
a. 静脉的, 在静脉中的, 有脉的\\n[医] 静脉的
n. 阀门；真空管；瓣膜（valve的复数）
🗣️ 情景例句
until they mentioned needing collateral or a guarantor.
在他们提到担保物或担保人之前。
I wanted to say at first the tall one, or the one with blond hair.
刚开始我会介绍说金发的。
It is not uncommon to hear that a shipping company has made a claim for cost of salvaging a sunken ship.
航运公司为打捞沉船而提出索赔，这是常有的事，