Warning: file_put_contents(): Only 0 of 5110 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/52065.com/index.php on line 55 fovea inferior例句_fovea inferior英汉例句_fovea inferior双解例句_伍贰汉英词典
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，粘膜上皮细胞向下凹陷形成小的绒毛，但无隐窝形成，细胞呈幼稚形态。