Cavs
abbr. cryopreserved allograft veins 冷藏保存同种异体移植静脉
🗣️ 情景例句
My father is an engineer of a construction company, and mother is a doctor.
我父亲是一家建筑公司的工程师，母亲是一名医生。
Who would you like to invite to the party?
你要邀请谁来宴会？
Which speech are you going to?
你打算去听哪个报告呢？