Opioids
(opioid 的复数) adj. 类鸦片（引起）的\\nn. 类鸦片活性肽
🗣️ 情景例句
I really must be going now.
现在我真的该告辞了。
We also hope to expand our business with you.
我们也希望与贵公司扩大贸易往来。
I had a letter from my sister yesterday.
昨天我收到了姐姐的一封信，