英文英文字典
英文英文字典
古腾堡计划中的在线英语-英语词典
结果
Allantoid的结果
Allantoid
(a.)
Alt. of Allantoidal
Allantoid
(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.