He admitted that he had smoked marijuana when he was a student.他承认在学生时期吸过大麻。She wrote a seminal article on the subject while she was still a student.她在学生时期就写了一篇有关该主题的文章，文章影响深远。Many of us have had a school career punctuated with exams and tests.我们当中很多人在学生时期不时要参加各种考试和测验。