词汇	arrak
释义	arrak 英ə'ræk美ə'ræk=arrack
随便看	Opioid-like peptide opioid-like substances Opioid Narcotics opioid neuropeptidase opioid neuropeptide opioid neuropeptide receptor opioid peptide Opioid peptide derived from milk opioid peptide family opioid peptides Opioid peptides/blood opioid peptides gene expression opioid recdptor Opioidreceptor opioid receptor Opioid receptor agonist opioid receptor antagonist opioid receptor antagonists Opioid Receptor,delta Opioid Receptor,kappa opioid receptor like opioid receptor-like opioid receptor-like,ORL opioid receptor-likeORLreceptor opioid receptor-likeorl receptor