heroin
US
UK heroin n: (narcotic drug) (由吗啡制成的镇定剂)
SC 海洛因 hǎi luò yīn
Two men were arrested for selling heroin.
heroin addict n: ([sb] dependent on heroin)
SC 海洛因成瘾者 hǎi luò yīn chéng yǐn zhě
His parents knew he was a heroin addict, but were still devastated when they learned he had died of an overdose.