妹妹 妈妈 爷爷 奶奶的英语单词,爷爷和奶奶的英语单词怎么写呀

妹妹、妈妈、爷爷、奶奶Sister, mother, grandfather, grandmother妹妹、妈妈、爷爷、奶奶Sister, mother, grandfather, grandmother

妹妹、妈妈、爷爷、奶奶Sister,mother,grandfather,grandmother妹妹、妈妈、爷爷、奶奶Sister,mother,grandfather,grandmother