( swimming pools)
A swimming pool is a large hole in the ground that has been made and filled with water so that people can swim in it.
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( swimming pools)
A swimming pool is a large hole in the ground that has been made and filled with water so that people can swim in it.
N-COUNT
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006