( obstacle courses)
In a race, an obstacle course is a series of obstacles that people have to go over or round in order to complete the race.
N-COUNT
( obstacle courses)
In a race, an obstacle course is a series of obstacles that people have to go over or round in order to complete the race.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006