拥抱可以促进催产素的分泌，增强人与人之间的联系感。

Hugging releases ___oxytocin, which helps strengthen the feeling of connection between people.

护士给产妇注射了催产素以控制产后出血。

The nurse gave the patient ___oxytocin to help stop bleeding after delivery.

与宠物玩耍时，人体会释放催产素，这让我们感到快乐和亲密。

Playing with pets releases ___oxytocin, making us feel happy and connected.