Cavs
abbr. cryopreserved allograft veins 冷藏保存同种异体移植静脉
🗣️ 情景例句
His excuse sounds unconvincing.
他说的理由好像不可难。
I'm no match for him.
我根本不是他的对手。
He is finding his new work far more exciting.
他发觉自己的新工作令人兴奋得多。