So what if you could block those opioid receptors from being activated?

如果能阻止那些阿片受体激活，又会怎样呢？

Opioids work by binding to and activating the opioid receptors located throughout the body, blocking pain signals.

阿片类药物通过结合并激活遍布全身的阿片受体来发挥作用，阻断疼痛信号。