Cavs
abbr. cryopreserved allograft veins 冷藏保存同种异体移植静脉
🗣️ 情景例句
It's been a pleasure to talk to you.
和你谈话是件很愉快的事。
She was not in the slightest surprised.
她一点也不吃惊。
Is that all? It seems worse than a cold.
仅此吗？看似比感冒重吧。