基本解释adj.出生后的；产后的同根派生 英汉例句用作形容词 (adj.)It goes with us when we were born, however, also needs postnatal train.它是与生俱来的，但也需要后天的培养。Postnatal depression is usually due to hormonal imbalance.产后抑郁通常是荷尔蒙失调造成的。