contribute to, major cause, essential, profound impact, play central/important roles in
XX have been intensively studied for their role in
XX has attracted enormous interest in YY owing to its ZZ actions
2、引出研究对象 (自由发挥的成分居多)
XX is a highly attractive candidate for developing YY.
XX has been reported to YY.
but less is known about their potential role in YY.
3、研究目的或者研究待解决
The aim of present study was to investigate/Toward this aim, we have examined the role of
Better understanding the mechanisms for XX will benefit YY.
However, the mechanism through which XX remains virtually/largely controversial/ unknown/unclear/elusive/much less explored/surprisingly limited/less understood, unsolved/scarcely understood
4、研究方法和结果
On the other hand, moreover, in addition, furthermore, finally
In this/current study,
We found/demonstrated/observed that
Therefore, our study used XX技术/方法/策略
XX技术/方法/策略 was used to detect/identify
The effects/ roles of XX were determined/analyzed/examined by YY
大家一定要注意Abstract的表述与全文中的论点论据、表述方法要一致,比如Materials and Mothods中的样本例数、实验方法;Introduction中的研究目的;Conclusions中的结论和意义;同一个研究对象即使有不同的命名,abstract部分中的阐述、以及后文中的提法,也千万要统一口径,不可大意了。