Hi, I'm Peter Brown.
嗨,我是彼得.布朗。
This is my mother.
这是我妈妈。
This is my father.
这是我爸爸。
This is Sally. She's my sister.
这是莎莉。她是我姐姐。
This is Paul. He's my brother.
这是保罗。他是我弟弟。