你们家有几口人，他们是谁？

How many people are they in your family, who are they?

youdao

你们家有几口人？有三口人。

You have a few home?

youdao

陈杰克：你们家有几口人？

Jack Chen: How many members are therein your family?

youdao

陈杰克：你们家有几口人？

Jack Chen: How many members are therein your family?

youdao