你们今天午餐吃什么用英语怎么说

"What did you have for lunch today?" is a common way to ask someone what they ate for lunch in English.

This phrase is a simple question using the past tense verb "did" to indicate that the action of eating lunch has already taken place. "What" is used as an interrogative pronoun to ask for specific information, and "you" and "have" are used to indicate the person being asked and the action of eating, respectively. "For lunch" is a prepositional phrase that specifies the time of day when the meal was consumed.

Some example sentences and their translations are:

"What did you have for lunch today?" (你今天午餐吃了什么？)
"I had a sandwich for lunch today." (我今天午餐吃了三明治)
"My friend had a salad for lunch." (我的朋友午餐吃了沙拉)