单词：Edison bulb
单词：Edison bulb 相关文章
Light Bulb 电灯泡 Before the light bulb was invented, there was only a candle to light up a room. 在电灯泡未发明之前，只有蜡烛能照亮屋子。 Finally, in 1879 Thomas Edison invented the light bulb. 最终，1879年，爱迪生发明
与美国小学生一起学英文第1册
One of the two kitchen light bulbs was out. It was circular and fluorescent. He placed a chair under the light. He stood on the chair. He unscrewed three screws. He removed the plastic cover. He removed the bad bulb. He inserted a new one. He screwed
英文短篇故事（纽约）
When life gets rough 生活艰难时 There is no such thing as failureonly learning opportunities 没什么失败-这只是一个学习的机会而已 You should just wipe the word failure right out of your vocabulary. All great people who have ever
英语早间课堂
By Mario Ritter Broadcast: November 18, 2003 This is Steve Ember with the VOA Special English Agriculture Report. If you like flowers in the early spring, then the middle of autumn is an important tim
VOA2003（下）-农业与经济
Light Bulb Inventor Tried to Create Fake Rubber At the turn of the 19th to 20th centuries, the prolific American inventor and businessman Thomas Alva Edison developed devices that changed industry, communication, and everyday life - from a practical
VOA标准英语2012年(六月)
It was the summer of 1878. Tom had been working hard for a long time. He was thinking about taking a vacation. Then a friend invited him to join a group of scientists. They were traveling by train to Wyoming to see an eclipse of the sun. Tom decided
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