Cavs
abbr. cryopreserved allograft veins 冷藏保存同种异体移植静脉
🗣️ 情景例句
No. Please endorse the check at the back.
不会的，请在支票背面签名。
Poverty is the root of all evils.
穷困是万恶之源。
In this shop you can buy school things.
你可以在这个商店里买到学习用品。