慢速英语:美国死于毒品的人数创历史新高

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data – n. acts or information used usually to calculate, analyze, or plan something

opioid – medical n. possessing some properties characteristic of opiate narcotics but not derived from opium

horrifying – adj. something that causes someone to feel horror

surge – n. a sudden, large increase

antidote – n. a remedy to counteract the effects of poison

sum up – phrasal verb to present a summary : to assess and then describe briefly

synthetic – adj. made by combining different substances : not natural