Three years ago the ferociously versatile Cheng spearheaded the founding of a San Diego biotech company based on technology from Tsinghua University in Beijing,where he was named a professor in 1999.是什么意思_Three years ago the ferociously versatile Cheng spearheaded the founding of a San Diego biotech company based on technology from Tsinghua University in Beijing,where he was named a professor in 1999.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句