Allantoid

[ә'læntɔid]

解释:

(adj.) shaped like a sausage .

手打:西尔维亚--From WordNet

解释:

(a.) Alt. of Allantoidal

(n.) A membranous appendage of the embryos of mammals, birds, and reptiles, -- in mammals serving to connect the fetus with the parent; the urinary vesicle.

狄伦编辑