"What do you eat for breakfast?"

The source of milk is typically from cows, although it can also come from other animals such as goats or sheep.

Example sentences in Engpsh:

"I usually have a bowl of cereal and a glass of milk for breakfast."
"I start my day with a cup of coffee and a spce of toast with butter and milk."

Example sentence translations:

"我通常早餐吃一碗麦片和一杯牛奶。"
"我以一杯咖啡和一片黄油吐司开始我的一天，还有牛奶。"