Meaning of nǎi:
奶
breast; milk; variant of 嬭|奶[nai3]; mother; variant of 奶[nai3]
Bǎobǎo xūyào hē diǎn nǎi.
宝宝需要喝点奶。
The baby needs to drink some milk.
Wǒ měi tiān zǎo cān hē yī bēi niú nǎi.
我每天早餐喝一杯牛奶。
I drink a glass of milk every morning for breakfast.
Tā hēle yī bēi niú nǎi.
她喝了一杯牛奶。
She drank a glass of milk.
Wǒ jīntiān xuéhuìle zěnme zuò nǎichá.
我今天学会了怎么做奶茶。
I learned how to make milk tea today.
Wǒ de nǎinai wèi wǒ zhǔnbèile zǎocān.
我的奶奶为我准备了早餐。
My grandma prepared breakfast for me.
to breastfeed
Māma zhèngzài gěi bǎobao wèi nǎi.
妈妈正在给宝宝喂奶。
The mother is breastfeeding the baby.