英語課文翻譯 人工啊
92Sign Language
There is one common language in every country in the word. All the people, old and young, men and women, must use it. It’s Everybody’s second language. It’s easy to understand, although you don’t hear it. It’s sign language. When you wave to a friend, you are using sign language. When you smile at someone, you mean to be friendly. W hen you raise your hand in class, you are
saying:’’ Please ask me. I know the answer.’’ When you put one finger in front of your mouth, you mean‘quiet’The deaf use sign language to talk with each other. There is even A university for the deaf in the United States. There are also TV programs for deaf people. They use sign language to tell everything.