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
The vitality of the movement is threatened.
这个运动的生命力岌岌可危。
John would like to touch some of the sculpture in the art gallery.
约翰想触摸几件美术馆的雕刻。
No, I don't think we have been.
不，我想没有。