In recent years, with the increasing burden on students from their studies, they have less time to work out after school.
如果你在练习某一语法,可能是这样翻译
In recent years, students have more and more study burden, while they have less and less time to work out after school.
英语的课外一般说after school,也可以说成
In recent years, students have more and more study burden, while they have less and less after-school workout time.