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
For a beginner, you're pretty good.
做为一个初学者，你已经做得很好了。
Young cocks love no coops.
小公鸡不恋笼。
Obviously, it has not been planned for the good of its inhabitants.
显然，现代化的城市不是为居民的利益而规划的。