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
I enjoyed myself very much.
我玩得很开心尽兴。
We have a few kitchen things and a dining room set.
我们有一些厨房设备和有餐厅
Please make sure you mark the shipment for careful handling.
请不要忘了在货物上标明“小心搬运”。