also mother-tongue
(~s)
Your ~ is the language that you learn from your parents when you are a baby.
= native tongue
N-COUNT: oft poss N
also mother-tongue
(~s)
Your ~ is the language that you learn from your parents when you are a baby.
= native tongue
N-COUNT: oft poss N
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012