( tuning forks)
A tuning fork is a small steel instrument which is used to tune instruments by striking it against something to produce a note of fixed musical pitch.
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( tuning forks)
A tuning fork is a small steel instrument which is used to tune instruments by striking it against something to produce a note of fixed musical pitch.
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Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006