Structure determination of triterpenoid saponins is based on the chemical methods and spectral evidences especial 1D and 2D NMR techniques.是什么意思_Structure determination of triterpenoid saponins is based on the chemical methods and spectral evidences especial 1D and 2D NMR techniques.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句