officinal
officinal[əˈfɪsɪn(ə)l, ɒfɪˈsiːn(ə)l]adjective- (chiefly historical)(of a herb or drug) standardly used in medicine
(主史)(草本植物)药用的;(药物)使用符合规定的
派生officinallyadverb语源- late 17th cent. (as a noun denoting an officinal medicine): from medieval Latin officinalis 'storeroom for medicines', from Latin officina 'workshop'
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