词汇	felt backing
释义	felt backing 油毡衬背
随便看	fetus harleguin Fetus,Harlequin fetus head fetus immaturus fetus in fetu fetus in fetus fetus in fetus, cryptodidymus Fetus malformation fetus monitoring Fetus mouse fetus movement fetus mummification Fetus,Mummified fetus neural stem cells fetus of diabetic mother fetus of lack of oxygen fetus or newborn affected by abruption placenta fetus or newborn affected by acute hydramnios Fetus or newborn affected by amnionitis fetus or newborn affected by cesarean delivery fetus or newborn affected by chorioamnionitis fetus or newborn affected by chronic hydramnios fetus or newborn affected by contracted pelvis fetus or newborn affected by contraction ring Fetus or newborn affected by cord around neck