青云翻译

Each course is required each semester two exams, interspersed with several operations during

Each course requires two exams each semester, interspersed with a few times during operation

Each semester each curriculum all needs two tests, the period alternates several works

Each of these courses each semester two examinations are required, during several operations punctuated

Each course requires two exams each semester, interspersed with a few times during operation