adj.出生后的；產(chǎn)后的
It goes with us when we were born, however, also needs postnatal train. 它是與生俱來的，但也需要后天的培養(yǎng)。
Postnatal depression is usually due to hormonal imbalance. 產(chǎn)后抑郁通常是荷爾蒙失調(diào)造成的。
