白面儿 /báimiànr/ angolul

heroin▼(powerful and addictive drug)
noun
[UK: ˈhe.rəʊɪn] [US: ˈhero.ʊɪn]

horse [horses]▼(slang: heroin)
noun
[UK: hɔːs] [US: ˈhɔːrs]