( bipolar disorders)
Bipolar disorder is a mental illness in which a person’s state of mind changes between extreme happiness and extreme depression.
N-VAR
( bipolar disorders)
Bipolar disorder is a mental illness in which a person’s state of mind changes between extreme happiness and extreme depression.
N-VAR
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006