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
It doesn't hurt that much, does it?
这样没有那么痛， 是吗？
He that will not work shall not eat.
不工作者不得食。
The tunnel would be well-ventilated if tall chimneys were built above sea level.
隧道就具备了良好的通风条件。