胎盘yīngwénjièshì:
  • n.  afterbirth
  • n.  placenta
  • n.  uterine cake
  • n.  organ lining the womb during pregnancy by which the foetus is nourished through the umbilical cord, and which is expelled after birth

(fēizhùcèchéngyuánměiyèzànxiàn 4 lì)