( digestive systems)
Your digestive system is the set of organs in your body that digest the food you eat.
N-COUNT : usu poss N
( digestive systems)
Your digestive system is the set of organs in your body that digest the food you eat.
N-COUNT : usu poss N
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006