angel dust /ˈenʤəlˌdəst/ 名詞
  安琪兒粉,天使粉
  angel dust
       n : a drug used as an anesthetic by veterinarians; illicitly
           taken (originally in the form of powder or `dust') for
           its effects as a hallucinogen [syn: phencyclidine, phencyclidine
           hydrochloride, PCP]