我努力把我的注意力集中到我的英语研究上。

I tried to concentrate my attention on my English studies.

youdao

我的结论不是基于任何个体研究，而是基于对每个主要英语国家进行的数千项研究的大规模系统回顾。

I base this conclusion not on any individual study, but on large-scale and systematic reviews of thousands of studies conducted in every major English-speaking country.

youdao

我有好几个星期没听到有关你研究英语的情况了。

I haven't heard anything about your English investigation for weeks.

youdao