afterbirth
n.胞衣(指胎盘及羊膜)
难易程度:
afterbirth为短语/超纲词汇
afterbirth
n [sing] placenta and foetal membrane discharged from the womb after childbirth 胞衣; 胎盘和胎膜.
afterbirth
n[U]the substance that comes out of female humans or animals just after they have had a baby
=
placenta