METHODS : UV-spectrophotometry and optical rotation method were used to determine the content of ofloxacin and ephedrine hydrochloride respectively.是什么意思_METHODS : UV-spectrophotometry and optical rotation method were used to determine the content of ofloxacin and ephedrine hydrochloride respectively.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句