"Where are you from?" is a common Engpsh phrase used to ask someone about their origin or place of birth. It is a popte way to initiate a conversation about someone's background or culture. The phrase is formed by using the verb "to be" in the present tense "are" and the preposition "from" which connects the verb to the place of origin.

For example:

"Where are you from?"
"I'm from the United States."

翻译为：“你是哪里人？”是一种常用的英语短语，用来询问某人的出生地或出生地。这是与某人的背景或文化进行对话的礼貌方式。这个短语是由动词“to be”现在时“are”和介词“from”组成的，连接动词和起源地。