Light Bulb1 电灯泡
Before the light bulb
was2 invented3, 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。
Finally4, in 1879 Thomas Edison invented the light bulb. 最终,1879年,爱迪生发明了电灯泡。
The first light bulb lasted only 13 hours. 第一盏电灯泡的寿命只持续了13个小时。
But
later5 Edison
developed6 a new light bulb which lasted up to 1,200 hours in 1880. 但后来,爱迪生在1880年研发了一种寿命能持续1200多个小时的新型电灯泡。
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1
bulb
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n.电灯泡,球状物 |
参考例句: |
- The bulb of the eye is important for us.眼球对于我们来说非常重要。
- We'll have to change the bulb again.我们又得换个灯泡了。
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2
was
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v.(is,am的过去式)是,在 |
参考例句: |
- He said he was right.他说他是正确的。
- He was cold and hungry.他又冷又饿。
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3
invented
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n.虚拟v.发明,创造( invent的过去式和过去分词 );编造 |
参考例句: |
- Esperanto was invented as an auxiliary language. 世界语是作为辅助语发明的。
- Who invented the steam engine? 谁发明了蒸汽机?
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4
finally
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adv.最后地;最终 |
参考例句: |
- We can finally take a rest.总算是可以休息了。
- Finally,they won the game.结果他们打赢了。
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5
later
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adv.过后,后来;adj.以后的,更后的,较晚的 |
参考例句: |
- He didn't turn up until half an hour later.半小时后他才出现。
- This part of the hospital was built on later.医院的这个部分是后来增建的。
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6
developed
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adj.先进的;发达的(国家或地区) |
参考例句: |
- financial aid to less developed countries 对欠发达国家的经济援助
- We have developed rapid order processing to expedite deliveries to customers. 我们已创造了快速处理订单的方法以便迅速将货物送达顾客。
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