XU Jun-wen,LI Dong,ZHAO Ping.Studies on the chemical constituents of Duzhong (the bark of Eucommia ulmoides Oliv.)[J].Acta Botanica Sini ca,1989,31(2):132-136.是什么意思_XU Jun-wen,LI Dong,ZHAO Ping.Studies on the chemical constituents of Duzhong (the bark of Eucommia ulmoides Oliv.)[J].Acta Botanica Sini ca,1989,31(2):132-136.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句