Opioid
a. 类鸦片（引起）的\\nn. 类鸦片活性肽
🗣️ 情景例句
But?
但是？
I'm not strong enough.
我还不够强壮。
Our foreign trade policy has always been based on equality and mutual benefit and exchange of needed goods.
我们的对外贸易政策一向是以平等互利、互通有无为基础的。