We had come to a dead end in our research.
我们的`研究工作已陷入绝境。
There are some obvious practical applications of the research.
这项研究有一些明显的实际用途。
The book is the fruit of years of research.
这本书是多年研究的成果。
Please file it in my 'Research' file.
请把它归入我的研究类档案。
She was invited to give a paper on the results of her research.
她应邀发表一篇论文，报告她的研究结果。