Allantoic vesicle
[醫] 尿囊
?? 詞語組成解析
a. [動]尿囊的,尿囊內的,有尿囊的
n. 囊, 泡, 水皰\\n[化] 小穴
??? 情景例句
Well, I'd describe it as a book which is a ...
嗯， 我會把這本書形容一幅……
Two quarrel and a third profits by it.
鷸蚌相爭，漁翁得利。
The policemen could not cope with the crowds.
警察無法對付群眾。