expression, godan verb (-u)
sit at a desk; be at one's desk; set to work on revision, homework, etc.
Describes the act of sitting down at a desk with the intention of studying or working, often implying focused effort.
試験前は毎日、夜遅くまで机に向かっている。
Before exams, I sit at my desk studying until late every night.
彼は朝からずっと
He has been at his desk writing his thesis since morning.