Telephone
The Telephone is one of the most important inventions in the 20th century. With telephones our life has become easy and convenient. No matter how far away your friend is, you can always contact him with h telephone. There ~ re many kinds of telephones now. What's more, telephones are very cheap, so almost every family has a telephone. Beside making telephone call, telephones have many new uses, such as asking for information, listening to the music. The telephone plays an important role in our daily life.
相关内容：
