和訳の
①Thomas Alva Edison is said to have led the world ji technology.
He invented many of the technologies vital to the modem world。_(③Although he
patented* over 1.100 inventions、many were improvements (0 the inventions of others.
A lot of invention nowadays improves cxisting products and proceSSS t0 make them a
little bit more effective. And Edison started all that o作