I was only nine years old when I learnt how to use a computer.
我开始学电脑的时候才九岁。
My mother is my first teacher. I know how to type, how to copy a file, and how to visit a web site on the Internet.
妈妈是我的启蒙老师。我学会了如何打字，如何拷贝文件，如何上网登录网站。
One day, mom was not at home. I turned on the computer and began to learn how to chat on net.
一天，妈妈不在家。我打开电脑，开始学着上网聊天。

The first one I met there was a boy called Tom. He greeted me politely.
汤姆是我在网上遇到的第一个朋友。他礼貌地跟我打招呼。
When he knew that I was only a 9-year-old girl, and almost knew nothing about chatting on net,he started showing me how to use the chatting tools, how to download, and how to send e-mails.
当他得知我才九岁，而且对网上聊天一无所知时，他开始教我如何使用聊天工具，如何下载，以及如何发电子邮件。
I learnt a lot from him.
我从他那里学到了很多东西。