( sisters-in-law)
Someone’s sister-in-law is the sister of their husband or wife, or the woman who is married to their brother.
N-COUNT : oft poss N
( sisters-in-law)
Someone’s sister-in-law is the sister of their husband or wife, or the woman who is married to their brother.
N-COUNT : oft poss N
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006