A bitter, crystalline alkaloid, C17H19NO3稨2O, extracted from opium, the soluble salts of which are used in medicine as an analgesic, a light anesthetic, or a sedative.是什么意思_A bitter, crystalline alkaloid, C17H19NO3稨2O, extracted from opium, the soluble salts of which are used in medicine as an analgesic, a light anesthetic, or a sedative.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句