Valnllae vasorum
[医] 血管瓣
🗣️ 情景例句
I hope they aren't lost.
但愿没丢才好。
The post office is two blocks straight ahead, You can't miss it.
那邮局一直向前走过两条街，很好找。
Suddenly, I saw the Officer's face light up.
突然，我看到官员脸上露出了得意的神色。