Beginning in Jan. 2005, Mr.Hartzell and Dr.Roger Lin joined forces to research these topics.As of the Fall of 2006, they have already obtained some very satisfactory results.是什么意思_Beginning in Jan. 2005, Mr.Hartzell and Dr.Roger Lin joined forces to research these topics.As of the Fall of 2006, they have already obtained some very satisfactory results.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句