( blood groups)
Someone’s blood group is the type of blood that they have in their body. There are four main types: A, B, AB, and O.
= blood type
N-COUNT : oft poss N
( blood groups)
Someone’s blood group is the type of blood that they have in their body. There are four main types: A, B, AB, and O.
= blood type
N-COUNT : oft poss N
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006