~1H-NMR characteristic spectra of Epimer UDCA CDCA and deterimination the Major composition in bear bile powder has been reported.是什么意思_~1H-NMR characteristic spectra of Epimer UDCA CDCA and deterimination the Major composition in bear bile powder has been reported.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句