Allantoic veins
[医] 尿囊静脉, 脐静脉
🧩 词语组成解析
a. [动]尿囊的,尿囊内的,有尿囊的
n. 纹理；静脉（vein的复数）
🗣️ 情景例句
Thank you, Mrs. Martinelli.
谢谢， Martinelli太太。
Losers are always in the wrong.
失败者总是错的。
He took off the first shoe and threw it on the floor.
他脱下第一只鞋子，把它丢在地板上。