常见例句雙語例句Immature epithelial cells in mucous membrane began to be inferior fovea , to form micro-villi when epithelial cells were immature at E17 day.胚胎第17天,粘膜上皮細胞曏下凹陷形成小的羢毛,但無隱窩形成,細胞呈幼稚形態。 返回 inferior fovea