an addiction to a drug (especially a narcotic drug)
双语例句
ERIC J.NESTLER and ROBERT C.MALENKA study the molecular basis of drug addiction. 内斯特与曼能克两人研究的是药物成瘾的分子机制。
Now there are no generally effective pharmacotherapties for drug addiction because of multi-induced factors and complicated neurobiological mechanism. 由于药物成瘾的诱发因素多,神经生物学机制复杂,至今仍没有有效的治疗手段。