Allantoic veins
[醫] 尿囊靜脈, 臍靜脈
?? 詞語組成解析
a. [動]尿囊的,尿囊內的,有尿囊的
n. 紋理；靜脈（vein的復數）
??? 情景例句
I manage my time perfectly so that I can always get things done on time.
我很會利用時間，因此總能準時完成工作。
Where were you yesterday afternoon?
你昨天下午在哪兒？
We'll let you know the next time we need to place an order.
下次需要訂購時我們會通知你。