We had come to a dead end in our research.

　　我們的研究工作已陷入絕境。

　　There are some obvious practical applications of the research.

　　這項研究有一些明顯的實(shí)際用途。

　　The book is the fruit of years of research.

　　這本書(shū)是多年研究的成果。

　　Please file it in my 'Research' file.

　　請把它歸入我的研究類(lèi)檔案。

　　She was invited to give a paper on the results of her research.

　　她應邀發(fā)表一篇論文，報告她的研究結果。