But love is the emotion of attachment reinforced by oxytocin, a hormone synthesized in the hypothalamus and secreted into the blood by the pituitary.
But love is the emotion of attachment reinforced by oxytocin, a hormone synthesized in the hypothalamus and secreted into the blood by the pituitary.
但爱是「依附的情绪」，由催产素强化，那是在下视丘合成的激素，经脑下垂体进入血液。