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	appropriation approval approve approved approved school approving approvingly approx. approximate approximately approximation appurtenance APR Apr. apricot April April fool April Fools' Day a priori apron apropos après-ski apse apt aptitude

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