na.vel
n.(名词)The mark on the surface of the abdomen of mammals where the umbilical cord was attached during gestation.Also called umbilicus 脐:哺乳动物腹表面的痕迹,在那儿怀孕期间脐带附着也作 umbilicusA central point; a middle.中心点;中央
来源:Middle English 中古英语 from Old English nafela * see nobh- 源自 古英语 nafela *参见 nobh-