This is an incredibly potent synthetic drug.

这是一种非常有效的合成药物。

Opioid makers claimed that their very potent drugs would not lead to addiction unless individuals were certain kinds of people from certain kinds of communities.

阿片类药物制造商声称，除非个人是来自特定类型社区的特定类型的人，否则他们非常有效的药物不会导致成瘾。