批改

现在就来帮忙修正吧！裸眼

從marsel86來的文本 - English

  • Thomas Alva Edison

  • Famous american inventor and employed.
  • Edison got in the U.S. thousand patents and about three thousand patents in the other countries.
  • He improved telegraph, telephone, cinematographic equipment.
  • He constructed electric lamp.
  • It was who suggested the use of a telephone conversation at the beggining of the word " Hello"

请帮忙修正每一个句子 - English