(blue babies)
A ~ is a baby whose skin is slightly blue because it has been born with something wrong with its heart.
N-COUNT
(blue babies)
A ~ is a baby whose skin is slightly blue because it has been born with something wrong with its heart.
N-COUNT
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012