(~s)
The ~ is the tube that connects an unborn baby to its mother, through which it receives oxygen and food.
N-COUNT: usu sing
(~s)
The ~ is the tube that connects an unborn baby to its mother, through which it receives oxygen and food.
N-COUNT: usu sing
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012