| 释义 |
villus length
基本例句
绒毛
A chorionic villus is a minute vascular projection on the fetal chorion.绒膜绒毛是胎儿绒毛膜上的一种微小的血管凸出物。
Each villus is richly supplied with blood which passes through a network of tiny tubes called capillaries.血液流过称为微血管的毛细血管网，丰富地供应给每一根绒毛。 |