今天我们要学的词是potent。Potent形容词，意思是有效的、强有力的 。Fentanyl, a super potent synthetic drug at the center of a new overdose crisis in America, is presenting huge challenges for law enforcement officials. 处在美国新一波药物滥用危机中心的一种毒性极强的合成药物芬太尼，正在给执法部门带来巨大的挑战。A new potent weather system was intensifying in the far eastern Atlantic to the west of the Cape Verde Islands last week. 一个新的强有力的气象系统在大西洋远东佛得角群岛的西边不断增强。好的，我们今天学习的词是potent, potent, potent...