maternal behavior的用法和樣例：
例句
- In addition to preparing the mother for the discomfort of birth, the endorphins may initiate maternal behavior.
腦內啡是具有止痛作用的蛋白，除了幫助母鼠克服分娩的不適外，也可能引發母性行為。 - Pregnant and nursing rats have a greater number of neural connections, particularly in the region of the brain that controls hormones and maternal behaviour.
懷孕期間和育兒期間的老鼠的神經連接會增多，尤其是大腦中控制荷爾蒙和母性行為的區域。
