与美国小学生一起学英文第1册 第10期:电灯泡
时间：2018-12-13 作者：英语课 分类：与美国小学生一起学英文第1册
英语课
Before the light bulb was 2 invented 3, 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 4, 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 later 5 Edison developed 6 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。
1 bulb
n.电灯泡，球状物
- 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。
3 invented
n.虚拟v.发明，创造( invent的过去式和过去分词 )；编造
- 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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小学英语