May I introduce myself to you? (=May I present myself to you?)

我能自我介绍一下吗？

My name is David Smith.

我是大卫史密斯。

Please call me David.

请叫我大卫。

Excuse me, I'm David Smith.

打扰了，我叫大卫史密斯。

My surname is Smith.

我的姓是史密斯。

How do you do? I'm Jane.

你好，我是简。

We are namesakes.

我们俩同名同姓。

I come from Beijing, China.

我来自中国北京。

I've lived in America since I was born.

我从一出生就住在美国了。

My nationality is Chinese.

我的国籍是中国。

Anhui is my hometown.

我的故乡是安徽。

My address is on 1 On show Street, Beijing.

我的地址是北京市昂秀街1号。

I live in the downtown area.

我住在市区。

My flat is near the company.

我的公寓就在公司附近。

It's only a 15-minute walk from my firm to the flat.

从公司到我的公寓只需走15分钟。

I'm working as a teacher of English.

我是个英语教师。

I'm in computers.

我从事电脑工作。

There are three people in my family, my parents and me.

我家有三口人，我的父母和我。

I have one elder brother and one younger sister.

我有一个哥哥和一个妹妹。

I already have a fiancé.

我已经有对象了。

I have a happy family.

我有个幸福的家庭。

I'm faithful.

我是个守信用的人。

I'm easy-going.

我比较随和。

I hope I can be a friend to all of you.

我希望我能成为你们的朋友。

宅在家里学英语，照样流利说口语！