Caval fold
[医] (下)腔静脉褶(胚胎)
🧩 词语组成解析
[医] 腔静脉的
fold
[fold]
vt. 折叠;合拢;抱住;笼罩;
vi. 折叠起来;彻底失败;
n. 折痕;信徒;羊栏;（起伏地的）凹处，洼;
🗣️ 情景例句
As far as English is concerned, he is second to none.
就英语来说，没有人能够比得上他。
Work today, for you know not how much you may be hindered tomorrow.
今天有事今天做，明天可能事受阻。
I'll be about half an hour late.
我大概要慢半个小时。