Thomas Edison, the famous inventor, once said "I've not failed."
2019年12月四级真题（第一套）听力 Section B
英语六级真题
The incandescent light bulb, invented by Thomas Edison, which came to be the symbol of inspiration, has been developed into hundreds, if not thousands, of forms.
出自-2015年12月阅读原文
英英词典释义
Noun
1. United States inventor; inventions included the phonograph and incandescent electric light and the microphone and the Kinetoscope (1847-1931)