(~s, or libretti)
The ~ of an opera is the words that are sung in it.
...the author of one or two opera ~s.
N-COUNT
(~s, or libretti)
The ~ of an opera is the words that are sung in it.
...the author of one or two opera ~s.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012