单词	endorphin
释义	endorphinen‧dor‧phin /enˈdɔːfɪn $ -ˈdɔːr-/ noun [countable usually plural] Word Origin WORD ORIGINendorphin Origin: 1900-2000 endo- ( ➔ ENDOCRINE) + morphine Examples EXAMPLES FROM THE CORPUS Naltrexone keeps heroin from activating endorphin receptors, without activating them itself. They may also enhance endorphin release. a chemical produced by your body that reduces pain and can make you feel happier
随便看	nihilist nihilistic Nijinsky, Vaslav -nik Nike Nikkei index nil Nile Nilotic Nilsen, Dennis nimble nimbleness nimbly nimbus nimby NiMH nimrod Nin, Anais nincompoop nine ninepins nineteen Nineteen Eighty-Four nineteenth nineteenth hole

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