Meaning of niú nǎi:
niú nǎi
牛奶
Noun
cow's milk; CL:瓶[ping2],杯[bei1]
Měi tiān zǎo shàng wǒ hē yī bēi niú nǎi.
每天早上我喝一杯牛奶。
Every morning I drink a glass of milk.
Wǒ zǎoshang zǒng shì hē yī bēi niúnǎi.
我早上总是喝一杯牛奶。
I always drink a glass of milk in the morning.