concoct 通常指食品、饮料的调制、配制。Beijing has banned nearly 40 new fentanyl-like painkillers, but opioid chemists there can still concoct new narcotics to get around customs blacklists. 北京已经禁止了近40种类似芬太尼的止痛药，但当地的阿片类药物专家们仍然可以制造出新的麻醉剂来躲避海关黑名单。

 

Researchers were interested in anti-Ebola formulation for bio-defense, should terrorists concoct a biological weapon using Ebola. 研究人员对抗埃博拉的药品配方感兴趣是为了对恐怖分子用埃博拉病毒制造生化武器做出防范。